Fix #254

Return a proper error if terminal size fails
Change columns type to u16
2026-10-26 20:16:34 +00:00 · 2026-02-14 13:42:51 +01:00 · 2022-07-17 15:53:56 -04:00 · 2022-07-17 15:53:23 -04:00 · 2022-07-17 15:48:05 -04:00 · 2022-07-17 15:26:43 -04:00
15 changed files with 1274 additions and 550 deletions
@@ -1,7 +1,7 @@
 name: CICD

 env:
-  MIN_SUPPORTED_RUST_VERSION: "1.40.0"
+  MIN_SUPPORTED_RUST_VERSION: "1.56.1"
  CICD_INTERMEDIATES_DIR: "_cicd-intermediates"

 on:
@@ -27,11 +27,25 @@ jobs:
        toolchain: ${{ env.MIN_SUPPORTED_RUST_VERSION }}
        default: true
        profile: minimal # minimal component installation (ie, no documentation)
+        components: clippy, rustfmt
+
+    - name: Ensure `cargo fmt` has been run
+      uses: actions-rs/cargo@v1
+      with:
+        command: fmt
+        args: -- --check
+
+    - name: Run clippy (on minimum supported rust version to prevent warnings we can't fix)
+      uses: actions-rs/cargo@v1
+      with:
+        command: clippy
+        args: --locked --all-targets

    - name: Run tests
      uses: actions-rs/cargo@v1
      with:
        command: test
+        args: --locked

  build:
    name: ${{ matrix.job.os }} (${{ matrix.job.target }})
@@ -155,6 +169,12 @@ jobs:
        command: test
        args: --target=${{ matrix.job.target }} ${{ steps.test-options.outputs.CARGO_TEST_OPTIONS}}

+    - name: Setup Pandoc
+      uses: r-lib/actions/setup-pandoc@v2
+
+    - name: Generate man page
+      run: pandoc -s -f markdown -t man -o "doc/${{ env.PROJECT_NAME }}.1" "doc/${{ env.PROJECT_NAME }}.1.md"
+
    - name: Create tarball
      id: package
      shell: bash
@@ -171,6 +191,9 @@ jobs:
        # Binary
        cp "${{ steps.strip.outputs.BIN_PATH }}" "$ARCHIVE_DIR"

+        # Man page
+        cp "doc/${{ env.PROJECT_NAME }}.1" "$ARCHIVE_DIR"
+
        # README, LICENSE and CHANGELOG files
        cp "README.md" "LICENSE-MIT" "LICENSE-APACHE" "CHANGELOG.md" "$ARCHIVE_DIR"

@@ -215,6 +238,10 @@ jobs:
        # Binary
        install -Dm755 "${{ steps.strip.outputs.BIN_PATH }}" "${DPKG_DIR}/usr/bin/${{ steps.strip.outputs.BIN_NAME }}"

+        # Man page
+        install -Dm644 "doc/${{ env.PROJECT_NAME }}.1" "${DPKG_DIR}/usr/share/man/man1/${{ env.PROJECT_NAME }}.1"
+        gzip -n --best "${DPKG_DIR}/usr/share/man/man1/${{ env.PROJECT_NAME }}.1"
+
        # README and LICENSE
        install -Dm644 "README.md" "${DPKG_DIR}/usr/share/doc/${DPKG_BASENAME}/README.md"
        install -Dm644 "LICENSE-MIT" "${DPKG_DIR}/usr/share/doc/${DPKG_BASENAME}/LICENSE-MIT"
@@ -275,7 +302,7 @@ jobs:
        Architecture: ${DPKG_ARCH}
        Provides: ${{ env.PROJECT_NAME }}
        Conflicts: ${DPKG_CONFLICTS}
-        Description: command-line tool to generate, analyze, convert and manipulate colors
+        Description: colorized hex viewer for the terminal.
        EOF

        DPKG_PATH="${DPKG_STAGING}/${DPKG_NAME}"
@@ -1,2 +1,5 @@
 /target
 **/*.rs.bk
+
+# Generated files
+hexyl.1
@@ -16,6 +16,19 @@



+# v0.10.0
+
+## Features
+
+- Added new `--plain`, `--no-characters`, and `--no-position` flags, see #154 (@mkatychev)
+- Allow hex numbers and units for `--block-size` argument, see #111 and #144 (@merkrafter)
+
+## Other
+
+- Added a man page, see #151 (@sorairolake)
+- Mention ability to specify length in hex, see #143 (@merkrafter)
+- `--length` and `--bytes` are now marked as conflicting command-line options, see #152 (@sorairolake)
+

 # v0.9.0

@@ -43,6 +56,7 @@

 - `hexyl` is now available on snapstore, see #116 (@purveshpatel511)

+
 # v0.8.0

 ## Features
@@ -69,17 +83,19 @@

 - `hexyl` is now available on Void Linux, see #91 (@notramo)

+
 # v0.7.0

 ## Bugfixes

- hexyl can now be closed with `Ctrl-C` when reading input from STDIN, see #84 
+- hexyl can now be closed with `Ctrl-C` when reading input from STDIN, see #84

 ## Changes

 - Breaking change (library): [`Printer::print_all`](https://docs.rs/hexyl/latest/hexyl/struct.Printer.html#method.print_all) does not take a second argument anymore.
 - Added an example on how to use `hexyl` as a library: https://github.com/sharkdp/hexyl/blob/v0.7.0/examples/simple.rs

+
 # v0.6.0

 ## Features
@@ -97,6 +113,7 @@

 - Performance improvements, see #73 and #66

+
 # v0.5.1

 ## Bugfixes
@@ -105,11 +122,12 @@
 - Some colors are printed even if they're disabled, see #64 (@awidegreen)
 - Fixed build failure on OpenBSD 6.5, see #61

+
 # v0.5.0

 ## Features

- Added support for squeezing where reoccuring lines are squashed together and visualized with an asterisk. A new `-v`/`--no-squeezing` option can be used to disable the feature. For details, see #59 (@awidegreen)
+- Added support for squeezing where reoccurring lines are squashed together and visualized with an asterisk. A new `-v`/`--no-squeezing` option can be used to disable the feature. For details, see #59 (@awidegreen)
 - Added a new `--border` option with support for various styles (Unicode, ASCII, None), see #54 (@dmke)
 - The `--length`/`-n` argument can be passed as a hexadecimal number (`hexyl -n 0xff /dev/urandom`), see #45 (@Qyriad)
 - Added `--bytes`/`-c` as an alias for `--length`/`-n`, see #48 (@selfup)
@@ -136,16 +154,19 @@
 - Proper Ctrl-C handling, see #35
 - Proper handling of broken pipes (`hexyl … | head`)

+
 # v0.3.1

 - Various (huge) performance improvements, see #23 and #24 (@kballard)
 - Replaced 24-bit truecolor ANSI codes by 8-bit codes to support
  more terminal emulators, fixes #9

+
 # v0.3.0

 Windows support

+
 # v0.2.0

 Initial release
@@ -8,7 +8,7 @@ Thank you for considering to contribute to `hexyl`!

 If your contribution changes the behavior of `hexyl` (as opposed to a typo-fix
 in the documentation), please update the [`CHANGELOG.md`](CHANGELOG.md) file
-and describe your changes. This makes the release proess much easier and
+and describe your changes. This makes the release process much easier and
 therefore helps to get your changes into a new `hexyl` release faster.

 The top of the `CHANGELOG` contains a *"unreleased"* section with a few
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 4
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.18"
@@ -9,15 +11,6 @@ dependencies = [
 "memchr",
 ]

-[[package]]
-name = "ansi_term"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "ansi_term"
 version = "0.12.1"
@@ -28,20 +21,27 @@ dependencies = [
 ]

 [[package]]
-name = "anyhow"
-version = "1.0.42"
+name = "anstyle"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "595d3cfa7a60d4555cb5067b99f07142a08ea778de5cf993f7b75c7d8fabc486"
+checksum = "5192cca8006f1fd4f7237516f40fa183bb07f8fbdfedaa0036de5ea9b0b45e78"
+
+[[package]]
+name = "anyhow"
+version = "1.0.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08f9b8508dccb7687a1d6c4ce66b2b0ecef467c94667de27d8d7fe1f8d2a9cdc"

 [[package]]
 name = "assert_cmd"
-version = "1.0.7"
+version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d20831bd004dda4c7c372c19cdabff369f794a95e955b3f13fe460e3e1ae95f"
+checksum = "9c5bcfa8749ac45dd12cb11055aeeb6b27a3895560d60d71e3c23bf979e60514"
 dependencies = [
+ "anstyle",
 "bstr",
- "doc-comment",
- "predicates",
+ "libc",
+ "predicates 3.1.4",
 "predicates-core",
 "predicates-tree",
 "wait-timeout",
@@ -60,40 +60,77 @@ dependencies = [

 [[package]]
 name = "autocfg"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"

 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"

 [[package]]
 name = "bstr"
-version = "0.2.16"
+version = "1.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90682c8d613ad3373e66de8c6411e0ae2ab2571e879d2efbf73558cc66f21279"
+checksum = "63044e1ae8e69f3b5a92c736ca6269b8d12fa7efe39bf34ddb06d102cf0e2cab"
 dependencies = [
- "lazy_static",
 "memchr",
 "regex-automata",
+ "serde",
 ]

 [[package]]
-name = "clap"
-version = "2.33.3"
+name = "cc"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+
+[[package]]
+name = "clap"
+version = "3.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d646c7ade5eb07c4aa20e907a922750df0c448892513714fd3e4acbc7130829f"
 dependencies = [
- "ansi_term 0.11.0",
 "atty",
 "bitflags",
+ "clap_lex",
+ "indexmap",
+ "once_cell",
 "strsim",
- "term_size",
+ "termcolor",
+ "terminal_size 0.1.17",
 "textwrap",
- "unicode-width",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
+dependencies = [
+ "os_str_bytes",
+]
+
+[[package]]
+name = "const_format"
+version = "0.2.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0936ffe6d0c8d6a51b3b0a73b2acbe925d786f346cf45bfddc8341d79fb7dc8a"
+dependencies = [
+ "const_format_proc_macros",
+]
+
+[[package]]
+name = "const_format_proc_macros"
+version = "0.2.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef196d5d972878a48da7decb7686eded338b4858fbabeed513d63a7c98b2b82d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
 ]

 [[package]]
@@ -102,12 +139,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6184e33543162437515c2e2b48714794e37845ec9851711914eec9d308f6ebe8"

-[[package]]
-name = "doc-comment"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
-
 [[package]]
 name = "either"
 version = "1.6.1"
@@ -115,14 +146,41 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"

 [[package]]
-name = "float-cmp"
-version = "0.8.0"
+name = "errno"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1267f4ac4f343772758f7b1bdcbe767c218bbab93bb432acbf5162bbf85a6c4"
+checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
+dependencies = [
+ "errno-dragonfly",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "errno-dragonfly"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
+dependencies = [
+ "cc",
+ "libc",
+]
+
+[[package]]
+name = "float-cmp"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98de4bbd547a563b716d8dfa9aad1cb19bfab00f4fa09a6a4ed21dbcf44ce9c4"
 dependencies = [
 "num-traits",
 ]

+[[package]]
+name = "hashbrown"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -134,44 +192,62 @@ dependencies = [

 [[package]]
 name = "hexyl"
-version = "0.9.0"
+version = "0.10.0"
 dependencies = [
- "ansi_term 0.12.1",
+ "ansi_term",
 "anyhow",
 "assert_cmd",
 "atty",
 "clap",
+ "const_format",
 "libc",
- "predicates",
+ "predicates 2.1.1",
+ "terminal_size 0.2.1",
 "thiserror",
 ]

 [[package]]
-name = "itertools"
-version = "0.10.1"
+name = "indexmap"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69ddb889f9d0d08a67338271fa9b62996bc788c7796a5c18cf057420aaed5eaf"
+checksum = "0f647032dfaa1f8b6dc29bd3edb7bbef4861b8b8007ebb118d6db284fd59f6ee"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
+[[package]]
+name = "io-lifetimes"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24c3f4eff5495aee4c0399d7b6a0dc2b6e81be84242ffbfcf253ebacccc1d0cb"
+
+[[package]]
+name = "itertools"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9a9d19fa1e79b6215ff29b9d6880b706147f16e9b1dbb1e4e5947b5b02bc5e3"
 dependencies = [
 "either",
 ]

 [[package]]
-name = "lazy_static"
-version = "1.4.0"
+name = "libc"
+version = "0.2.182"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+checksum = "6800badb6cb2082ffd7b6a67e6125bb39f18782f793520caee8cb8846be06112"

 [[package]]
-name = "libc"
-version = "0.2.98"
+name = "linux-raw-sys"
+version = "0.0.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "320cfe77175da3a483efed4bc0adc1968ca050b098ce4f2f1c13a56626128790"
+checksum = "d4d2456c373231a208ad294c33dc5bff30051eafd954cd4caae83a712b12854d"

 [[package]]
 name = "memchr"
-version = "2.4.0"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
+checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"

 [[package]]
 name = "normalize-line-endings"
@@ -181,18 +257,30 @@ checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"

 [[package]]
 name = "num-traits"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
 dependencies = [
 "autocfg",
 ]

 [[package]]
-name = "predicates"
-version = "2.0.0"
+name = "once_cell"
+version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6e46ca79eb4e21e2ec14430340c71250ab69332abf85521c95d3a8bc336aa76"
+checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
+
+[[package]]
+name = "os_str_bytes"
+version = "6.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "029d8d0b2f198229de29dca79676f2738ff952edf3fde542eb8bf94d8c21b435"
+
+[[package]]
+name = "predicates"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5aab5be6e4732b473071984b3164dbbfb7a3674d30ea5ff44410b6bcd960c3c"
 dependencies = [
 "difflib",
 "float-cmp",
@@ -203,44 +291,55 @@ dependencies = [
 ]

 [[package]]
-name = "predicates-core"
-version = "1.0.2"
+name = "predicates"
+version = "3.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57e35a3326b75e49aa85f5dc6ec15b41108cf5aee58eabb1f274dd18b73c2451"
+checksum = "ada8f2932f28a27ee7b70dd6c1c39ea0675c55a36879ab92f3a715eaa1e63cfe"
+dependencies = [
+ "anstyle",
+ "difflib",
+ "predicates-core",
+]
+
+[[package]]
+name = "predicates-core"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cad38746f3166b4031b1a0d39ad9f954dd291e7854fcc0eed52ee41a0b50d144"

 [[package]]
 name = "predicates-tree"
-version = "1.0.2"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15f553275e5721409451eb85e15fd9a860a6e5ab4496eb215987502b5f5391f2"
+checksum = "4d86de6de25020a36c6d3643a86d9a6a9f552107c0559c60ea03551b5e16c032"
 dependencies = [
 "predicates-core",
- "treeline",
+ "termtree",
 ]

 [[package]]
 name = "proc-macro2"
-version = "1.0.27"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
+checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]

 [[package]]
 name = "quote"
-version = "1.0.9"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
+checksum = "a1feb54ed693b93a84e14094943b84b7c4eae204c512b7ccb95ab0c66d278ad1"
 dependencies = [
 "proc-macro2",
 ]

 [[package]]
 name = "regex"
-version = "1.5.4"
+version = "1.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
+checksum = "d83f127d94bdbcda4c8cc2e50f6f84f4b611f69c902699ca385a39c3a75f9ff1"
 dependencies = [
 "aho-corasick",
 "memchr",
@@ -249,67 +348,111 @@ dependencies = [

 [[package]]
 name = "regex-automata"
-version = "0.1.10"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+checksum = "6e1dd4122fc1595e8162618945476892eefca7b88c52820e74af6262213cae8f"

 [[package]]
 name = "regex-syntax"
-version = "0.6.25"
+version = "0.6.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
+checksum = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64"

 [[package]]
-name = "strsim"
-version = "0.8.0"
+name = "rustix"
+version = "0.35.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-
-[[package]]
-name = "syn"
-version = "1.0.73"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7"
+checksum = "d51cc38aa10f6bbb377ed28197aa052aa4e2b762c22be9d3153d01822587e787"
 dependencies = [
- "proc-macro2",
- "quote",
- "unicode-xid",
+ "bitflags",
+ "errno",
+ "io-lifetimes",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
 ]

 [[package]]
-name = "term_size"
-version = "0.3.2"
+name = "serde"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e4129646ca0ed8f45d09b929036bafad5377103edd06e50bf574b353d2b08d9"
+checksum = "be9b6f69f1dfd54c3b568ffa45c310d6973a5e5148fd40cf515acaf38cf5bc31"
+
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
+[[package]]
+name = "syn"
+version = "1.0.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbaf6116ab8924f39d52792136fb74fd60a80194cf1b1c6ffa6453eef1c3f942"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "termcolor"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
+dependencies = [
+ "winapi-util",
+]
+
+[[package]]
+name = "terminal_size"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "633c1a546cee861a1a6d0dc69ebeca693bf4296661ba7852b9d21d159e0506df"
 dependencies = [
 "libc",
 "winapi",
 ]

 [[package]]
-name = "textwrap"
-version = "0.11.0"
+name = "terminal_size"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+checksum = "8440c860cf79def6164e4a0a983bcc2305d82419177a0e0c71930d049e3ac5a1"
 dependencies = [
- "term_size",
- "unicode-width",
+ "rustix",
+ "windows-sys",
+]
+
+[[package]]
+name = "termtree"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "507e9898683b6c43a9aa55b64259b721b52ba226e0f3779137e50ad114a4c90b"
+
+[[package]]
+name = "textwrap"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
+dependencies = [
+ "terminal_size 0.1.17",
 ]

 [[package]]
 name = "thiserror"
-version = "1.0.26"
+version = "1.0.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93119e4feac1cbe6c798c34d3a53ea0026b0b1de6a120deef895137c0529bfe2"
+checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
 dependencies = [
 "thiserror-impl",
 ]

 [[package]]
 name = "thiserror-impl"
-version = "1.0.26"
+version = "1.0.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "060d69a0afe7796bf42e9e2ff91f5ee691fb15c53d38b4b62a9a53eb23164745"
+checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -317,22 +460,16 @@ dependencies = [
 ]

 [[package]]
-name = "treeline"
-version = "0.1.0"
+name = "unicode-ident"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7f741b240f1a48843f9b8e0444fb55fb2a4ff67293b50a9179dfd5ea67f8d41"
-
-[[package]]
-name = "unicode-width"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
+checksum = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee"

 [[package]]
 name = "unicode-xid"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+checksum = "957e51f3646910546462e67d5f7599b9e4fb8acdd304b087a6494730f9eebf04"

 [[package]]
 name = "wait-timeout"
@@ -359,8 +496,60 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"

+[[package]]
+name = "winapi-util"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-sys"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
+dependencies = [
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
@@ -7,23 +7,25 @@ license = "MIT/Apache-2.0"
 name = "hexyl"
 readme = "README.md"
 repository = "https://github.com/sharkdp/hexyl"
-version = "0.9.0"
-edition = "2018"
+version = "0.10.0"
+edition = "2021"

 [dependencies]
 ansi_term = "0.12"
-anyhow = "1.0.31"
+anyhow = "1.0"
 atty = "0.2"
+const_format = "0.2"
 libc = "0.2"
-thiserror = "1.0.19"
+thiserror = "1.0"
+terminal_size = "0.2"

 [dependencies.clap]
-version = "2"
+version = "3"
 default-features = false
-features = ["suggestions", "color", "wrap_help"]
+features = ["std", "suggestions", "color", "wrap_help", "cargo"]

 [dev-dependencies]
-assert_cmd = "1.0"
+assert_cmd = "2.1"
 predicates = "2.0"

 [profile.release]
@@ -23,7 +23,7 @@ of bytes (NULL bytes, printable ASCII characters, ASCII whitespace characters, o

 *... and other Debian-based Linux distributions.*

-If you run Ubuntu 19.10 (Eoan Ermine) or newer, you can install the [officially maintained package](https://packages.ubuntu.com/eoan/hexyl):
+If you run Ubuntu 19.10 (Eoan Ermine) or newer, you can install the [officially maintained package](https://packages.ubuntu.com/search?keywords=hexyl):
 ```bash
 sudo apt install hexyl
 ```
@@ -31,12 +31,12 @@ If you use an older version of Ubuntu, you can download
 the latest `.deb` package from the release page and install it via:

 ``` bash
-sudo dpkg -i hexyl_0.9.0_amd64.deb  # adapt version number and architecture
+sudo dpkg -i hexyl_0.10.0_amd64.deb  # adapt version number and architecture
 ```

 ### On Debian

-If you run Debian Buster or newer, you can install the [officially maintained Debian package](https://packages.debian.org/buster/hexyl):
+If you run Debian Buster or newer, you can install the [officially maintained Debian package](https://packages.debian.org/search?searchon=names&keywords=hexyl):
 ```bash
 sudo apt-get install hexyl
 ```
@@ -44,6 +44,14 @@ sudo apt-get install hexyl
 If you run an older version of Debian, see above for instructions on how to
 manually install `hexyl`.

+### On Fedora
+
+If you run Fedora 35 or newer, you can install the [officially maintained Fedora package](https://packages.fedoraproject.org/pkgs/rust-hexyl/hexyl):
+
+```bash
+sudo dnf install hexyl
+```
+
 ### On Arch Linux

 You can install `hexyl` from [the official package repository](https://www.archlinux.org/packages/community/x86_64/hexyl/):
@@ -53,6 +61,7 @@ pacman -S hexyl
 ```

 ### On Void Linux
+
 ```
 xbps-install hexyl
 ```
@@ -91,7 +100,7 @@ pkg install hexyl
 ```
 pkg install hexyl
 ```
-or 
+or
 ```
 apt install hexyl
 ```
@@ -116,30 +125,50 @@ Check out the [release page](https://github.com/sharkdp/hexyl/releases) for bina

 ### On Windows

-For now, you will have to install from source via `cargo` (see below). Make sure that you
-use a terminal that supports ANSI escape sequences (like ConHost v2 since Windows 10 1703
+Check out the [release page](https://github.com/sharkdp/hexyl/releases) for binary builds.
+Alternatively, install from source via `cargo`, `snap` or `scoop` (see below).
+Make sure that you use a terminal that supports ANSI escape sequences (like ConHost v2 since Windows 10 1703
 or Windows Terminal since Windows 10 1903).

 ### Via cargo

-If you have Rust 1.40 or higher, you can install `hexyl` from source via `cargo`:
+If you have Rust 1.56 or higher, you can install `hexyl` from source via `cargo`:
 ```
 cargo install hexyl
 ```

+Alternatively, you can install `hexyl` directly from the repository by using:
+```
+git clone https://github.com/sharkdp/hexyl
+cargo install --path ./hexyl
+```
+
+Note: To convert the man page, you will need [Pandoc](https://pandoc.org/).
+
+You can convert from Markdown by using (in the project root):
+```
+pandoc -s -f markdown -t man -o ./doc/hexyl.1 ./doc/hexyl.1.md
+```
+
 ### Via snap package

 ```
 sudo snap install hexyl
 ```
-
 [Get it from the Snap Store](https://snapcraft.io/hexyl)

+
+### Via [Scoop](https://scoop.sh)
+```
+scoop install hexyl
+```
+
+
 ## License

 Licensed under either of

- * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
- * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+ * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or https://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or https://opensource.org/licenses/MIT)

 at your option.
@@ -1 +0,0 @@
-*.bash linguist-vendored
@@ -1,103 +0,0 @@
-#!/usr/bin/env bash
-# Building and packaging for release
-
-set -ex
-
-build() {
-    cargo build --target "$TARGET" --release --verbose
-}
-
-pack() {
-    local tempdir
-    local out_dir
-    local package_name
-
-    tempdir=$(mktemp -d 2>/dev/null || mktemp -d -t tmp)
-    out_dir=$(pwd)
-    package_name="$PROJECT_NAME-$TRAVIS_TAG-$TARGET"
-
-    # create a "staging" directory
-    mkdir "$tempdir/$package_name"
-
-    # copying the main binary
-    cp "target/$TARGET/release/$PROJECT_NAME" "$tempdir/$package_name/"
-    strip "$tempdir/$package_name/$PROJECT_NAME"
-
-    # readme and license
-    cp README.md "$tempdir/$package_name"
-    cp LICENSE-MIT "$tempdir/$package_name"
-    cp LICENSE-APACHE "$tempdir/$package_name"
-
-    # archiving
-    pushd "$tempdir"
-    tar czf "$out_dir/$package_name.tar.gz" "$package_name"/*
-    popd
-    rm -r "$tempdir"
-}
-
-make_deb() {
-    local tempdir
-    local architecture
-    local version
-    local dpkgname
-    local conflictname
-
-    case $TARGET in
-        x86_64*)
-            architecture=amd64
-            ;;
-        i686*)
-            architecture=i386
-            ;;
-        *)
-            echo "ERROR: unknown target" >&2
-            return 1
-            ;;
-    esac
-    version=${TRAVIS_TAG#v}
-    if [[ $TARGET = *musl* ]]; then
-      dpkgname=$PROJECT_NAME-musl
-      conflictname=$PROJECT_NAME
-    else
-      dpkgname=$PROJECT_NAME
-      conflictname=$PROJECT_NAME-musl
-    fi
-
-    tempdir=$(mktemp -d 2>/dev/null || mktemp -d -t tmp)
-
-    # copy the main binary
-    install -Dm755 "target/$TARGET/release/$PROJECT_NAME" "$tempdir/usr/bin/$PROJECT_NAME"
-    strip "$tempdir/usr/bin/$PROJECT_NAME"
-
-    # readme and license
-    install -Dm644 README.md "$tempdir/usr/share/doc/$PROJECT_NAME/README.md"
-    install -Dm644 LICENSE-MIT "$tempdir/usr/share/doc/$PROJECT_NAME/LICENSE-MIT"
-    install -Dm644 LICENSE-APACHE "$tempdir/usr/share/doc/$PROJECT_NAME/LICENSE-APACHE"
-
-    # Control file
-    mkdir "$tempdir/DEBIAN"
-    cat > "$tempdir/DEBIAN/control" <<EOF
-Package: $dpkgname
-Version: $version
-Section: utils
-Priority: optional
-Maintainer: David Peter <mail@david-peter.de>
-Architecture: $architecture
-Provides: $PROJECT_NAME
-Conflicts: $conflictname
-Description: A command-line hex viewer.
-EOF
-
-    fakeroot dpkg-deb --build "$tempdir" "${dpkgname}_${version}_${architecture}.deb"
-}
-
-
-main() {
-    build
-    pack
-    if [[ $TARGET = *linux* ]]; then
-      make_deb
-    fi
-}
-
-main
@@ -0,0 +1,148 @@
+% HEXYL(1) hexyl 0.10.0 | General Commands Manual
+%
+% 2022-03-23
+
+<!--
+This man page is written in Pandoc's Markdown.
+See: https://pandoc.org/MANUAL.html#pandocs-markdown
+-->
+
+# NAME
+
+hexyl - a command-line hex viewer
+
+# SYNOPSIS
+
+**hexyl** [_OPTIONS_] [_FILE_]
+
+# DESCRIPTION
+
+**hexyl** is a simple hex viewer for the terminal.
+It uses a colored output to distinguish different categories of bytes (NULL
+bytes, printable ASCII characters, ASCII whitespace characters, other ASCII
+characters and non-ASCII).
+
+# POSITIONAL ARGUMENTS
+
+_FILE_
+:   The file to display.
+    If no _FILE_ argument is given, read from STDIN.
+
+# OPTIONS
+
+**-n**, **\--length** _N_
+:   Only read _N_ bytes from the input.
+    The _N_ argument can also include a unit with a decimal prefix (kB, MB, ..)
+    or binary prefix (kiB, MiB, ..), or can be specified using a hex number.
+
+    Examples:
+
+    :   
+
+        Read the first 64 bytes:
+        :   $ **hexyl \--length=64**
+
+        Read the first 4 kibibytes:
+        :   $ **hexyl \--length=4KiB**
+
+        Read the first 255 bytes (specified using a hex number):
+        :   $ **hexyl \--length=0xff**
+
+**-c**, **\--bytes** _N_
+:   An alias for **-n**/**\--length**.
+
+**-l** _N_
+:   Yet another alias for **-n**/**\--length**.
+
+**-s**, **\--skip** _N_
+:   Skip the first _N_ bytes of the input.
+    The _N_ argument can also include a unit (see **\--length** for details).
+    A negative value is valid and will seek from the end of the file.
+
+**\--block-size** _SIZE_
+:   Sets the size of the block unit to _SIZE_ (default is 512).
+
+    Examples:
+
+    :   
+
+        Sets the block size to 1024 bytes:
+        :   $ **hexyl \--block-size=1024 \--length=5block**
+
+        Sets the block size to 4 kilobytes:
+        :   $ **hexyl \--block-size=4kB \--length=2block**
+
+**-v**, **\--no-squeezing**
+:   Displays all input data.
+    Otherwise any number of groups of output lines which would be identical to
+    the preceding group of lines, are replaced with a line comprised of a
+    single asterisk.
+
+**\--color** _WHEN_
+:   When to use colors.
+    The auto-mode only displays colors if the output goes to an interactive
+    terminal.
+
+    Possible values:
+
+    :   - **always** (default)
+        - **auto**
+        - **never**
+
+**\--border** _STYLE_
+:   Whether to draw a border with Unicode characters, ASCII characters, or none
+    at all.
+
+    Possible values:
+
+    :   - **unicode** (default)
+        - **ascii**
+        - **none**
+
+**-o**, **\--display-offset** _N_
+:   Add _N_ bytes to the displayed file position.
+    The _N_ argument can also include a unit (see **\--length** for details).
+    A negative value is valid and calculates an offset relative to the end of
+    the file.
+
+**-h**, **\--help**
+:   Prints help information.
+
+**-V**, **\--version**
+:   Prints version information.
+
+# NOTES
+
+Source repository:
+:   <https://github.com/sharkdp/hexyl>
+
+# EXAMPLES
+
+Print a given file:
+:   $ **hexyl small.png**
+
+Print and view a given file in the terminal pager:
+:   $ **hexyl big.png | less -r**
+
+Print the first 256 bytes of a given special file:
+:   $ **hexyl -n 256 /dev/urandom**
+
+# AUTHORS
+
+**hexyl** was written by David Peter <mail@david-peter.de>.
+
+# REPORTING BUGS
+
+Bugs can be reported on GitHub at:
+:   <https://github.com/sharkdp/hexyl/issues>
+
+# COPYRIGHT
+
+**hexyl** is dual-licensed under:
+
+:   - Apache License 2.0 (<https://www.apache.org/licenses/LICENSE-2.0>)
+    - MIT License (<https://opensource.org/licenses/MIT>)
+
+# SEE ALSO
+
+**hexdump**(1), **xxd**(1)
@@ -12,9 +12,20 @@ fn main() {
    let mut handle = stdout.lock();

    let show_color = true;
+    let show_char_panel = true;
+    let show_position_panel = true;
    let use_squeezing = false;
    let border_style = BorderStyle::Unicode;
+    let columns = 2;

-    let mut printer = Printer::new(&mut handle, show_color, border_style, use_squeezing);
+    let mut printer = Printer::new(
+        &mut handle,
+        show_color,
+        show_char_panel,
+        show_position_panel,
+        border_style,
+        use_squeezing,
+        columns,
+    );
    printer.print_all(&input[..]).unwrap();
 }
@@ -4,46 +4,52 @@ extern crate clap;
 use std::convert::TryFrom;
 use std::fs::File;
 use std::io::{self, prelude::*, SeekFrom};
+use std::num::{NonZeroI64, NonZeroU16};

-use clap::{App, AppSettings, Arg};
+use clap::{crate_name, crate_version, AppSettings, Arg, ColorChoice, Command};

 use atty::Stream;

 use anyhow::{anyhow, Context, Error as AnyhowError};

+use const_format::formatcp;
+
 use thiserror::Error as ThisError;

+use terminal_size::terminal_size;
+
 use hexyl::{BorderStyle, Input, Printer};

+const DEFAULT_BLOCK_SIZE: i64 = 512;
+
 fn run() -> Result<(), AnyhowError> {
-    let app = App::new(crate_name!())
-        .setting(AppSettings::ColorAuto)
-        .setting(AppSettings::ColoredHelp)
+    let command = Command::new(crate_name!())
        .setting(AppSettings::DeriveDisplayOrder)
-        .setting(AppSettings::UnifiedHelpMessage)
+        .color(ColorChoice::Auto)
        .max_term_width(90)
        .version(crate_version!())
        .about(crate_description!())
        .arg(
-            Arg::with_name("FILE")
+            Arg::new("FILE")
                .help("The file to display. If no FILE argument is given, read from STDIN."),
        )
        .arg(
-            Arg::with_name("length")
-                .short("n")
+            Arg::new("length")
+                .short('n')
                .long("length")
                .takes_value(true)
                .value_name("N")
                .help(
                    "Only read N bytes from the input. The N argument can also include a \
-                     unit with a decimal prefix (kB, MB, ..) or binary prefix (kiB, MiB, ..). \
+                     unit with a decimal prefix (kB, MB, ..) or binary prefix (kiB, MiB, ..), \
+                     or can be specified using a hex number. \
                     The short option '-l' can be used as an alias.\n\
-                     Examples: --length=64, --length=4KiB",
+                     Examples: --length=64, --length=4KiB, --length=0xff",
                ),
        )
        .arg(
-            Arg::with_name("bytes")
-                .short("c")
+            Arg::new("bytes")
+                .short('c')
                .long("bytes")
                .takes_value(true)
                .value_name("N")
@@ -51,16 +57,17 @@ fn run() -> Result<(), AnyhowError> {
                .help("An alias for -n/--length"),
        )
        .arg(
-            Arg::with_name("count")
-                .short("l")
+            Arg::new("count")
+                .short('l')
                .takes_value(true)
                .value_name("N")
-                .hidden(true)
+                .conflicts_with_all(&["length", "bytes"])
+                .hide(true)
                .help("Yet another alias for -n/--length"),
        )
        .arg(
-            Arg::with_name("skip")
-                .short("s")
+            Arg::new("skip")
+                .short('s')
                .long("skip")
                .takes_value(true)
                .value_name("N")
@@ -71,18 +78,19 @@ fn run() -> Result<(), AnyhowError> {
                ),
        )
        .arg(
-            Arg::with_name("block_size")
+            Arg::new("block_size")
                .long("block-size")
                .takes_value(true)
                .value_name("SIZE")
-                .help(
-                    "Sets the size of the `block` unit to SIZE.\n\
+                .help(formatcp!(
+                    "Sets the size of the `block` unit to SIZE (default is {}).\n\
                     Examples: --block-size=1024, --block-size=4kB",
-                ),
+                    DEFAULT_BLOCK_SIZE
+                )),
        )
        .arg(
-            Arg::with_name("nosqueezing")
-                .short("v")
+            Arg::new("nosqueezing")
+                .short('v')
                .long("no-squeezing")
                .help(
                    "Displays all input data. Otherwise any number of groups of output \
@@ -91,23 +99,28 @@ fn run() -> Result<(), AnyhowError> {
                ),
        )
        .arg(
-            Arg::with_name("color")
+            Arg::new("color")
                .long("color")
                .takes_value(true)
                .value_name("WHEN")
                .possible_values(&["always", "auto", "never"])
+                .default_value_if("plain", None, Some("never"))
                .default_value("always")
                .help(
                    "When to use colors. The auto-mode only displays colors if the output \
                     goes to an interactive terminal",
                ),
        )
+        .arg(Arg::new("plain").short('p').long("plain").help(
+            "Display output with --no-characters, --no-position, --border=none, and --color=never.",
+        ))
        .arg(
-            Arg::with_name("border")
+            Arg::new("border")
                .long("border")
                .takes_value(true)
                .value_name("STYLE")
                .possible_values(&["unicode", "ascii", "none"])
+                .default_value_if("plain", None, Some("none"))
                .default_value("unicode")
                .help(
                    "Whether to draw a border with Unicode characters, ASCII characters, \
@@ -115,8 +128,20 @@ fn run() -> Result<(), AnyhowError> {
                ),
        )
        .arg(
-            Arg::with_name("display_offset")
-                .short("o")
+            Arg::new("no_chars")
+                .short('C')
+                .long("no-characters")
+                .help("Whether to display the character panel on the right."),
+        )
+        .arg(
+            Arg::new("no_position")
+                .short('P')
+                .long("no-position")
+                .help("Whether to display the position panel on the left."),
+        )
+        .arg(
+            Arg::new("display_offset")
+                .short('o')
                .long("display-offset")
                .takes_value(true)
                .value_name("N")
@@ -126,9 +151,45 @@ fn run() -> Result<(), AnyhowError> {
                    A negative value is valid and calculates an offset relative to the \
                    end of the file.",
                ),
+        )
+        .arg(
+            Arg::new("columns")
+                .short('w')
+                .long("columns")
+                .takes_value(true)
+                .value_name("N")
+                .help(
+                    "Sets the number of hex data columns to be displayed. \
+                    Cannot be used with other width-setting options.",
+                ),
+        )
+        .arg(
+            Arg::new("terminal_width")
+                .short('t')
+                .long("terminal-width")
+                .takes_value(true)
+                .value_name("N")
+                .conflicts_with("columns")
+                .help(
+                    "Sets the number of terminal columns to be displayed.\nSince the terminal \
+                    width may not be an evenly divisible by the width per hex data column, this \
+                    will use the greatest number of hex data columns that can fit in the requested \
+                    width but still leave some space to the right.\nCannot be used with other \
+                    width-setting options.",
+                ),
+        )
+        .arg(
+            Arg::new("auto_width")
+                .short('a')
+                .long("auto-width")
+                .conflicts_with_all(&["columns", "terminal_width"])
+                .help(
+                    "Sets the number of hex data columns to be adjusted according to the \
+                    detected terminal width.\nCannot be used with other width-setting options.",
+                ),
        );

-    let matches = app.get_matches_safe()?;
+    let matches = command.get_matches();

    let stdin = io::stdin();

@@ -140,12 +201,27 @@ fn run() -> Result<(), AnyhowError> {
    let block_size = matches
        .value_of("block_size")
        .map(|bs| {
-            bs.parse::<i64>().map_err(|e| anyhow!(e)).and_then(|x| {
-                PositiveI64::new(x).ok_or_else(|| anyhow!("block size argument must be positive"))
-            })
+            if let Some(hex_number) = try_parse_as_hex_number(bs) {
+                return hex_number.map_err(|e| anyhow!(e)).and_then(|x| {
+                    PositiveI64::new(x)
+                        .ok_or_else(|| anyhow!("block size argument must be positive"))
+                });
+            }
+            let (num, unit) = extract_num_and_unit_from(bs)?;
+            if let Unit::Block { custom_size: _ } = unit {
+                return Err(anyhow!(
+                    "can not use 'block(s)' as a unit to specify block size"
+                ));
+            };
+            num.checked_mul(unit.get_multiplier())
+                .ok_or_else(|| anyhow!(ByteOffsetParseError::UnitMultiplicationOverflow))
+                .and_then(|x| {
+                    PositiveI64::new(x)
+                        .ok_or_else(|| anyhow!("block size argument must be positive"))
+                })
        })
        .transpose()?
-        .unwrap_or_else(|| PositiveI64::new(512).unwrap());
+        .unwrap_or_else(|| PositiveI64::new(DEFAULT_BLOCK_SIZE).unwrap());

    let skip_arg = matches
        .value_of("skip")
@@ -214,6 +290,10 @@ fn run() -> Result<(), AnyhowError> {

    let squeeze = !matches.is_present("nosqueezing");

+    let show_char_panel = !matches.is_present("no_chars") && !matches.is_present("plain");
+
+    let show_position_panel = !matches.is_present("no_position") && !matches.is_present("plain");
+
    let display_offset: u64 = matches
        .value_of("display_offset")
        .map(|s| {
@@ -223,13 +303,62 @@ fn run() -> Result<(), AnyhowError> {
            ))
        })
        .transpose()?
-        .unwrap_or(0)
-        .into();
+        .unwrap_or(0);
+
+    let columns = if let Some(columns) = matches
+        .value_of("columns")
+        .map(|s| {
+            s.parse::<NonZeroU16>().map(u16::from).context(anyhow!(
+                "failed to parse `--columns` arg {:?} as unsigned nonzero integer",
+                s
+            ))
+        })
+        .transpose()?
+    {
+        columns
+    } else {
+        let terminal_width = if let Some(terminal_width) = matches
+            .value_of("terminal_width")
+            .map(|s| {
+                s.parse::<NonZeroU16>().map(u16::from).context(anyhow!(
+                    "failed to parse `--columns` arg {:?} as unsigned nonzero integer",
+                    s
+                ))
+            })
+            .transpose()?
+        {
+            Some(terminal_width)
+        } else if matches.is_present("auto_width") {
+            Some(terminal_size().ok_or_else(|| anyhow!("not a TTY"))?.0 .0)
+        } else {
+            None
+        };
+
+        if let Some(terminal_width) = terminal_width {
+            let offset = if show_position_panel { 10 } else { 1 };
+            let col_width = if show_char_panel { 35 } else { 26 };
+            if (terminal_width - offset) / col_width < 1 {
+                1
+            } else {
+                (terminal_width - offset) / col_width
+            }
+        } else {
+            2
+        }
+    };

    let stdout = io::stdout();
    let mut stdout_lock = stdout.lock();

-    let mut printer = Printer::new(&mut stdout_lock, show_color, border_style, squeeze);
+    let mut printer = Printer::new(
+        &mut stdout_lock,
+        show_color,
+        show_char_panel,
+        show_position_panel,
+        border_style,
+        squeeze,
+        columns,
+    );
    printer.display_offset(skip_offset + display_offset);
    printer.print_all(&mut reader).map_err(|e| anyhow!(e))?;

@@ -244,24 +373,7 @@ fn main() {
    let result = run();

    if let Err(err) = result {
-        if let Some(clap_err) = err.downcast_ref::<clap::Error>() {
-            match clap_err.kind {
-                // The exit code should not indicate an error for --help / --version
-                clap::ErrorKind::HelpDisplayed => {
-                    eprint!("{}", clap_err); // Clap errors already have newlines
-                    std::process::exit(0)
-                }
-                clap::ErrorKind::VersionDisplayed => {
-                    // Version output in clap 2.33.1 (dep as of now) doesn't have a newline
-                    // and the fix is not included even in the latest stable release
-                    println!("");
-                    std::process::exit(0)
-                }
-                _ => (),
-            }
-        } else {
-            eprintln!("Error: {:?}", err);
-        }
+        eprintln!("Error: {:?}", err);
        std::process::exit(1);
    }
 }
@@ -283,9 +395,9 @@ impl NonNegativeI64 {
    }
 }

-impl Into<u64> for NonNegativeI64 {
-    fn into(self) -> u64 {
-        u64::try_from(self.0)
+impl From<NonNegativeI64> for u64 {
+    fn from(x: NonNegativeI64) -> u64 {
+        u64::try_from(x.0)
            .expect("invariant broken: NonNegativeI64 should contain a non-negative i64 value")
    }
 }
@@ -307,13 +419,50 @@ impl PositiveI64 {
    }
 }

-impl Into<u64> for PositiveI64 {
-    fn into(self) -> u64 {
-        u64::try_from(self.0)
+impl From<PositiveI64> for u64 {
+    fn from(x: PositiveI64) -> u64 {
+        u64::try_from(x.0)
            .expect("invariant broken: PositiveI64 should contain a positive i64 value")
    }
 }

+#[derive(Debug, PartialEq)]
+enum Unit {
+    Byte,
+    Kilobyte,
+    Megabyte,
+    Gigabyte,
+    Terabyte,
+    Kibibyte,
+    Mebibyte,
+    Gibibyte,
+    Tebibyte,
+    /// a customizable amount of bytes
+    Block {
+        custom_size: Option<NonZeroI64>,
+    },
+}
+
+impl Unit {
+    const fn get_multiplier(self) -> i64 {
+        match self {
+            Self::Byte => 1,
+            Self::Kilobyte => 1000,
+            Self::Megabyte => 1_000_000,
+            Self::Gigabyte => 1_000_000_000,
+            Self::Terabyte => 1_000_000_000_000,
+            Self::Kibibyte => 1 << 10,
+            Self::Mebibyte => 1 << 20,
+            Self::Gibibyte => 1 << 30,
+            Self::Tebibyte => 1 << 40,
+            Self::Block {
+                custom_size: Some(size),
+            } => size.get(),
+            Self::Block { custom_size: None } => DEFAULT_BLOCK_SIZE,
+        }
+    }
+}
+
 const HEX_PREFIX: &str = "0x";

 #[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
@@ -368,33 +517,14 @@ enum ByteOffsetParseError {
    InvalidUnit(String),
    #[error("failed to parse integer part")]
    ParseNum(#[source] std::num::ParseIntError),
-    #[error("count multipled by the unit overflowed a signed 64-bit integer; are you sure it should be that big?")]
+    #[error("count multiplied by the unit overflowed a signed 64-bit integer; are you sure it should be that big?")]
    UnitMultiplicationOverflow,
 }

 fn parse_byte_offset(n: &str, block_size: PositiveI64) -> Result<ByteOffset, ByteOffsetParseError> {
    use ByteOffsetParseError::*;

-    let (n, kind) = {
-        let mut chars = n.chars();
-        let next_char = chars.next();
-        let check_empty_after_sign = || {
-            if chars.clone().next().is_none() {
-                Err(EmptyAfterSign)
-            } else {
-                Ok(chars.as_str())
-            }
-        };
-        match next_char {
-            Some('+') => (
-                check_empty_after_sign()?,
-                ByteOffsetKind::ForwardFromLastOffset,
-            ),
-            Some('-') => (check_empty_after_sign()?, ByteOffsetKind::BackwardFromEnd),
-            None => return Err(Empty),
-            _ => (n, ByteOffsetKind::ForwardFromBeginning),
-        }
-    };
+    let (n, kind) = process_sign_of(n)?;

    let into_byte_offset = |value| {
        Ok(ByteOffset {
@@ -403,9 +533,103 @@ fn parse_byte_offset(n: &str, block_size: PositiveI64) -> Result<ByteOffset, Byt
        })
    };

-    if n.starts_with(HEX_PREFIX) {
-        let n = &n[HEX_PREFIX.len()..];
-        let mut chars = n.chars();
+    if let Some(hex_number) = try_parse_as_hex_number(n) {
+        return hex_number.map(into_byte_offset)?;
+    }
+
+    let (num, mut unit) = extract_num_and_unit_from(n)?;
+    if let Unit::Block { custom_size: None } = unit {
+        unit = Unit::Block {
+            custom_size: Some(
+                NonZeroI64::new(block_size.into_inner()).expect("PositiveI64 was zero"),
+            ),
+        };
+    }
+
+    num.checked_mul(unit.get_multiplier())
+        .ok_or(UnitMultiplicationOverflow)
+        .and_then(into_byte_offset)
+}
+
+/// Takes a string containing a base-10 number and an optional unit, and returns them with their proper types.
+/// The unit must directly follow the number (e.g. no whitespace is allowed between them).
+/// When no unit is given, [Unit::Byte] is assumed.
+/// When the unit is [Unit::Block], it is returned without custom size.
+/// No normalization is performed, that is "1024" is extracted to (1024, Byte), not (1, Kibibyte).
+fn extract_num_and_unit_from(n: &str) -> Result<(i64, Unit), ByteOffsetParseError> {
+    use ByteOffsetParseError::*;
+    if n.is_empty() {
+        return Err(Empty);
+    }
+    match n.chars().position(|c| !c.is_ascii_digit()) {
+        Some(unit_begin_idx) => {
+            let (n, raw_unit) = n.split_at(unit_begin_idx);
+            let unit = match raw_unit.to_lowercase().as_str() {
+                "" => Unit::Byte, // no "b" => Byte to allow hex nums with units
+                "kb" => Unit::Kilobyte,
+                "mb" => Unit::Megabyte,
+                "gb" => Unit::Gigabyte,
+                "tb" => Unit::Terabyte,
+                "kib" => Unit::Kibibyte,
+                "mib" => Unit::Mebibyte,
+                "gib" => Unit::Gibibyte,
+                "tib" => Unit::Tebibyte,
+                "block" | "blocks" => Unit::Block { custom_size: None },
+                _ => {
+                    return if n.is_empty() {
+                        Err(InvalidNumAndUnit(raw_unit.to_string()))
+                    } else {
+                        Err(InvalidUnit(raw_unit.to_string()))
+                    }
+                }
+            };
+            let num = n.parse::<i64>().map_err(|e| {
+                if n.is_empty() {
+                    EmptyWithUnit(raw_unit.to_owned())
+                } else {
+                    ParseNum(e)
+                }
+            })?;
+            Ok((num, unit))
+        }
+        None => {
+            // no unit part
+            let num = n.parse::<i64>().map_err(ParseNum)?;
+            Ok((num, Unit::Byte))
+        }
+    }
+}
+
+/// Extracts a [ByteOffsetKind] based on the sign at the beginning of the given string.
+/// Returns the input string without the sign (or an equal string if there wasn't any sign).
+fn process_sign_of(n: &str) -> Result<(&str, ByteOffsetKind), ByteOffsetParseError> {
+    use ByteOffsetParseError::*;
+    let mut chars = n.chars();
+    let next_char = chars.next();
+    let check_empty_after_sign = || {
+        if chars.clone().next().is_none() {
+            Err(EmptyAfterSign)
+        } else {
+            Ok(chars.as_str())
+        }
+    };
+    match next_char {
+        Some('+') => Ok((
+            check_empty_after_sign()?,
+            ByteOffsetKind::ForwardFromLastOffset,
+        )),
+        Some('-') => Ok((check_empty_after_sign()?, ByteOffsetKind::BackwardFromEnd)),
+        None => Err(Empty),
+        _ => Ok((n, ByteOffsetKind::ForwardFromBeginning)),
+    }
+}
+
+/// If `n` starts with a hex prefix, its remaining part is returned as some number (if possible),
+/// otherwise None is returned.
+fn try_parse_as_hex_number(n: &str) -> Option<Result<i64, ByteOffsetParseError>> {
+    use ByteOffsetParseError::*;
+    n.strip_prefix(HEX_PREFIX).map(|num| {
+        let mut chars = num.chars();
        match chars.next() {
            Some(c @ '+') | Some(c @ '-') => {
                return if chars.next().is_none() {
@@ -416,54 +640,70 @@ fn parse_byte_offset(n: &str, block_size: PositiveI64) -> Result<ByteOffset, Byt
            }
            _ => (),
        }
-        return i64::from_str_radix(n, 16)
-            .map(into_byte_offset)
-            .map_err(ParseNum)?;
-    }
+        i64::from_str_radix(num, 16).map_err(ParseNum)
+    })
+}

-    let (num, unit) = match n.chars().position(|c| !c.is_ascii_digit()) {
-        Some(unit_begin_idx) => {
-            let (n, raw_unit) = n.split_at(unit_begin_idx);
-            let raw_unit_lower = raw_unit.to_lowercase();
-            let multiplier = [
-                ("b", 1),
-                ("kb", 1000i64.pow(1)),
-                ("mb", 1000i64.pow(2)),
-                ("gb", 1000i64.pow(3)),
-                ("tb", 1000i64.pow(4)),
-                ("kib", 1024i64.pow(1)),
-                ("mib", 1024i64.pow(2)),
-                ("gib", 1024i64.pow(3)),
-                ("tib", 1024i64.pow(4)),
-                ("block", block_size.into_inner()),
-            ]
-            .iter()
-            .cloned()
-            .find_map(|(unit, multiplier)| {
-                if unit == raw_unit_lower {
-                    Some(multiplier)
-                } else {
-                    None
-                }
-            })
-            .ok_or_else(|| InvalidUnit(raw_unit.to_owned()));
-            (n, multiplier.map(|m| (Some(raw_unit), m)))
-        }
-        None => (n, Ok((None, 1))),
-    };
+#[test]
+fn unit_multipliers() {
+    use Unit::*;
+    assert_eq!(Kilobyte.get_multiplier(), 1000 * Byte.get_multiplier());
+    assert_eq!(Megabyte.get_multiplier(), 1000 * Kilobyte.get_multiplier());
+    assert_eq!(Gigabyte.get_multiplier(), 1000 * Megabyte.get_multiplier());
+    assert_eq!(Terabyte.get_multiplier(), 1000 * Gigabyte.get_multiplier());

-    match (num.parse::<i64>(), unit) {
-        (Ok(num), Ok((_raw_unit, unit_multiplier))) => num
-            .checked_mul(unit_multiplier)
-            .ok_or_else(|| UnitMultiplicationOverflow)
-            .and_then(into_byte_offset),
-        (Ok(_), Err(e)) => Err(e),
-        (Err(e), Ok((raw_unit, _unit_multiplier))) => match raw_unit {
-            Some(raw_unit) if num.is_empty() => Err(EmptyWithUnit(raw_unit.to_owned())),
-            _ => Err(ParseNum(e)),
-        },
-        (Err(_), Err(_)) => Err(InvalidNumAndUnit(n.to_owned())),
-    }
+    assert_eq!(Kibibyte.get_multiplier(), 1024 * Byte.get_multiplier());
+    assert_eq!(Mebibyte.get_multiplier(), 1024 * Kibibyte.get_multiplier());
+    assert_eq!(Gibibyte.get_multiplier(), 1024 * Mebibyte.get_multiplier());
+    assert_eq!(Tebibyte.get_multiplier(), 1024 * Gibibyte.get_multiplier());
+}
+
+#[test]
+fn test_process_sign() {
+    use ByteOffsetKind::*;
+    use ByteOffsetParseError::*;
+    assert_eq!(process_sign_of("123"), Ok(("123", ForwardFromBeginning)));
+    assert_eq!(process_sign_of("+123"), Ok(("123", ForwardFromLastOffset)));
+    assert_eq!(process_sign_of("-123"), Ok(("123", BackwardFromEnd)));
+    assert_eq!(process_sign_of("-"), Err(EmptyAfterSign));
+    assert_eq!(process_sign_of("+"), Err(EmptyAfterSign));
+    assert_eq!(process_sign_of(""), Err(Empty));
+}
+
+#[test]
+fn test_parse_as_hex() {
+    assert_eq!(try_parse_as_hex_number("73"), None);
+    assert_eq!(try_parse_as_hex_number("0x1337"), Some(Ok(0x1337)));
+    assert!(matches!(try_parse_as_hex_number("0xnope"), Some(Err(_))));
+    assert!(matches!(try_parse_as_hex_number("0x-1"), Some(Err(_))));
+}
+
+#[test]
+fn extract_num_and_unit() {
+    use ByteOffsetParseError::*;
+    use Unit::*;
+    // byte is default unit
+    assert_eq!(extract_num_and_unit_from("4"), Ok((4, Byte)));
+    // blocks are returned without customization
+    assert_eq!(
+        extract_num_and_unit_from("2blocks"),
+        Ok((2, Block { custom_size: None }))
+    );
+    // no normalization is performed
+    assert_eq!(extract_num_and_unit_from("1024kb"), Ok((1024, Kilobyte)));
+
+    // unit without number results in error
+    assert_eq!(
+        extract_num_and_unit_from("gib"),
+        Err(EmptyWithUnit("gib".to_string()))
+    );
+    // empty string results in error
+    assert_eq!(extract_num_and_unit_from(""), Err(Empty));
+    // an invalid unit results in an error
+    assert_eq!(
+        extract_num_and_unit_from("25litres"),
+        Err(InvalidUnit("litres".to_string()))
+    );
 }

 #[test]
@@ -472,7 +712,7 @@ fn test_parse_byte_offset() {

    macro_rules! success {
        ($input: expr, $expected_kind: ident $expected_value: expr) => {
-            success!($input, $expected_kind $expected_value; block_size: 512)
+            success!($input, $expected_kind $expected_value; block_size: DEFAULT_BLOCK_SIZE)
        };
        ($input: expr, $expected_kind: ident $expected_value: expr; block_size: $block_size: expr) => {
            assert_eq!(
@@ -490,7 +730,7 @@ fn test_parse_byte_offset() {
    macro_rules! error {
        ($input: expr, $expected_err: expr) => {
            assert_eq!(
-                parse_byte_offset($input, PositiveI64::new(512).unwrap()),
+                parse_byte_offset($input, PositiveI64::new(DEFAULT_BLOCK_SIZE).unwrap()),
                Err($expected_err),
            );
        };
@@ -146,20 +146,27 @@ pub struct Printer<'a, Writer: Write> {
    buffer_line: Vec<u8>,
    writer: &'a mut Writer,
    show_color: bool,
+    show_char_panel: bool,
+    show_position_panel: bool,
    border_style: BorderStyle,
    header_was_printed: bool,
-    byte_hex_table: Vec<String>,
-    byte_char_table: Vec<String>,
+    byte_hex_panel: Vec<String>,
+    byte_char_panel: Vec<String>,
    squeezer: Squeezer,
    display_offset: u64,
+    /// The number of panels to draw.
+    columns: u16,
 }

 impl<'a, Writer: Write> Printer<'a, Writer> {
    pub fn new(
        writer: &'a mut Writer,
        show_color: bool,
+        show_char_panel: bool,
+        show_position_panel: bool,
        border_style: BorderStyle,
        use_squeeze: bool,
+        columns: u16,
    ) -> Printer<'a, Writer> {
        Printer {
            idx: 1,
@@ -167,9 +174,11 @@ impl<'a, Writer: Write> Printer<'a, Writer> {
            buffer_line: vec![],
            writer,
            show_color,
+            show_char_panel,
+            show_position_panel,
            border_style,
            header_was_printed: false,
-            byte_hex_table: (0u8..=u8::max_value())
+            byte_hex_panel: (0u8..=u8::MAX)
                .map(|i| {
                    let byte_hex = format!("{:02x} ", i);
                    if show_color {
@@ -179,18 +188,23 @@ impl<'a, Writer: Write> Printer<'a, Writer> {
                    }
                })
                .collect(),
-            byte_char_table: (0u8..=u8::max_value())
-                .map(|i| {
-                    let byte_char = format!("{}", Byte(i).as_char());
-                    if show_color {
-                        Byte(i).color().paint(byte_char).to_string()
-                    } else {
-                        byte_char
-                    }
+            byte_char_panel: show_char_panel
+                .then(|| {
+                    (0u8..=u8::MAX)
+                        .map(|i| {
+                            let byte_char = format!("{}", Byte(i).as_char());
+                            if show_color {
+                                Byte(i).color().paint(byte_char).to_string()
+                            } else {
+                                byte_char
+                            }
+                        })
+                        .collect()
                })
-                .collect(),
-            squeezer: Squeezer::new(use_squeeze),
+                .unwrap_or_default(),
+            squeezer: Squeezer::new(use_squeeze, 8 * columns as u64),
            display_offset: 0,
+            columns,
        }
    }

@@ -199,48 +213,59 @@ impl<'a, Writer: Write> Printer<'a, Writer> {
        self
    }

-    pub fn header(&mut self) {
-        if let Some(border_elements) = self.border_style.header_elems() {
-            let h = border_elements.horizontal_line;
-            let h8 = h.to_string().repeat(8);
-            let h25 = h.to_string().repeat(25);
+    fn write_border(&mut self, border_elements: BorderElements) {
+        let h = border_elements.horizontal_line;
+        let c = border_elements.column_separator;
+        let l = border_elements.left_corner;
+        let r = border_elements.right_corner;
+        let h8 = h.to_string().repeat(8);
+        let h25 = h.to_string().repeat(25);

-            writeln!(
-                self.writer,
-                "{l}{h8}{c}{h25}{c}{h25}{c}{h8}{c}{h8}{r}",
-                l = border_elements.left_corner,
-                c = border_elements.column_separator,
-                r = border_elements.right_corner,
-                h8 = h8,
-                h25 = h25
-            )
-            .ok();
+        if self.show_position_panel {
+            write!(self.writer, "{l}{h8}{c}", l = l, c = c, h8 = h8).ok();
+        } else {
+            write!(self.writer, "{}", l).ok();
+        }
+
+        for _ in 0..self.columns - 1 {
+            write!(self.writer, "{h25}{c}", h25 = h25, c = c).ok();
+        }
+        if self.show_char_panel {
+            write!(self.writer, "{h25}{c}", h25 = h25, c = c).ok();
+        } else {
+            write!(self.writer, "{h25}", h25 = h25).ok();
+        }
+
+        if self.show_char_panel {
+            for _ in 0..self.columns - 1 {
+                write!(self.writer, "{h8}{c}", h8 = h8, c = c).ok();
+            }
+            writeln!(self.writer, "{h8}{r}", h8 = h8, r = r).ok();
+        } else {
+            writeln!(self.writer, "{r}", r = r).ok();
        }
    }

-    pub fn footer(&mut self) {
-        if let Some(border_elements) = self.border_style.footer_elems() {
-            let h = border_elements.horizontal_line;
-            let h8 = h.to_string().repeat(8);
-            let h25 = h.to_string().repeat(25);
+    pub fn print_header(&mut self) {
+        if self.header_was_printed {
+            return;
+        }
+        if let Some(e) = self.border_style.header_elems() {
+            self.write_border(e)
+        }
+        self.header_was_printed = true;
+    }

-            writeln!(
-                self.writer,
-                "{l}{h8}{c}{h25}{c}{h25}{c}{h8}{c}{h8}{r}",
-                l = border_elements.left_corner,
-                c = border_elements.column_separator,
-                r = border_elements.right_corner,
-                h8 = h8,
-                h25 = h25
-            )
-            .ok();
+    pub fn print_footer(&mut self) {
+        if let Some(e) = self.border_style.footer_elems() {
+            self.write_border(e)
        }
    }

-    fn print_position_indicator(&mut self) {
-        if !self.header_was_printed {
-            self.header();
-            self.header_was_printed = true;
+    fn print_position_panel(&mut self) {
+        if !self.show_position_panel {
+            write!(&mut self.buffer_line, "{} ", self.border_style.outer_sep()).ok();
+            return;
        }

        let style = COLOR_OFFSET.normal();
@@ -259,24 +284,60 @@ impl<'a, Writer: Write> Printer<'a, Writer> {
        );
    }

-    pub fn print_byte(&mut self, b: u8) -> io::Result<()> {
-        if self.idx % 16 == 1 {
-            self.print_position_indicator();
+    pub fn print_char_panel(&mut self) {
+        if !self.show_char_panel {
+            // just write newline if character panel is hidden
+            writeln!(&mut self.buffer_line).ok();
+            return;
        }

-        write!(&mut self.buffer_line, "{}", self.byte_hex_table[b as usize])?;
+        let len = self.raw_line.len();
+
+        let mut idx = 1;
+        for &b in self.raw_line.iter() {
+            let _ = write!(
+                &mut self.buffer_line,
+                "{}",
+                self.byte_char_panel[b as usize]
+            );
+
+            if idx % 8 == 0 && idx % (u64::from(self.columns) * 8) != 0 {
+                let _ = write!(&mut self.buffer_line, "{}", self.border_style.inner_sep());
+            }
+
+            idx += 1;
+        }
+
+        if len < usize::from(8 * self.columns) {
+            let _ = write!(&mut self.buffer_line, "{0:1$}", "", 8 - len % 8);
+            for _ in 0..(usize::from(8 * self.columns) - (len + (8 - len % 8))) / 8 {
+                let _ = write!(
+                    &mut self.buffer_line,
+                    "{2}{0:1$}",
+                    "",
+                    8,
+                    self.border_style.inner_sep()
+                );
+            }
+        }
+        let _ = writeln!(&mut self.buffer_line, "{}", self.border_style.outer_sep());
+    }
+
+    pub fn print_byte(&mut self, b: u8) -> io::Result<()> {
+        if self.idx % (u64::from(self.columns) * 8) == 1 {
+            self.print_header();
+            self.print_position_panel();
+        }
+
+        write!(&mut self.buffer_line, "{}", self.byte_hex_panel[b as usize])?;
        self.raw_line.push(b);

        self.squeezer.process(b, self.idx);

-        match self.idx % 16 {
-            8 => {
-                let _ = write!(&mut self.buffer_line, "{} ", self.border_style.inner_sep());
-            }
-            0 => {
-                self.print_textline()?;
-            }
-            _ => {}
+        if self.idx % (u64::from(self.columns) * 8) == 0 {
+            self.print_textline()?;
+        } else if self.idx % 8 == 0 {
+            let _ = write!(&mut self.buffer_line, "{} ", self.border_style.inner_sep());
        }

        self.idx += 1;
@@ -289,17 +350,34 @@ impl<'a, Writer: Write> Printer<'a, Writer> {

        if len == 0 {
            if self.squeezer.active() {
-                self.print_position_indicator();
-                let _ = writeln!(
+                self.print_position_panel();
+                write!(&mut self.buffer_line, "{0:1$}", "", 24)?;
+                for _ in 0..self.columns - 1 {
+                    write!(
+                        &mut self.buffer_line,
+                        "{2}{0:1$}",
+                        "",
+                        25,
+                        self.border_style.inner_sep()
+                    )?;
+                }
+                write!(
                    &mut self.buffer_line,
-                    "{0:1$}{4}{0:2$}{5}{0:3$}{4}{0:3$}{5}",
+                    "{2}{0:1$}",
                    "",
-                    24,
-                    25,
                    8,
-                    self.border_style.inner_sep(),
-                    self.border_style.outer_sep(),
-                );
+                    self.border_style.outer_sep()
+                )?;
+                for _ in 0..self.columns - 1 {
+                    write!(
+                        &mut self.buffer_line,
+                        "{2}{0:1$}",
+                        "",
+                        8,
+                        self.border_style.inner_sep()
+                    )?;
+                }
+                writeln!(&mut self.buffer_line, "{}", self.border_style.outer_sep())?;
                self.writer.write_all(&self.buffer_line)?;
            }
            return Ok(());
@@ -307,62 +385,23 @@ impl<'a, Writer: Write> Printer<'a, Writer> {

        let squeeze_action = self.squeezer.action();

+        // print empty space on last line
        if squeeze_action != SqueezeAction::Delete {
-            if len < 8 {
-                let _ = write!(
-                    &mut self.buffer_line,
-                    "{0:1$}{3}{0:2$}{4}",
-                    "",
-                    3 * (8 - len),
-                    1 + 3 * 8,
-                    self.border_style.inner_sep(),
-                    self.border_style.outer_sep(),
-                );
-            } else {
-                let _ = write!(
-                    &mut self.buffer_line,
-                    "{0:1$}{2}",
-                    "",
-                    3 * (16 - len),
-                    self.border_style.outer_sep()
-                );
-            }
-
-            let mut idx = 1;
-            for &b in self.raw_line.iter() {
-                let _ = write!(
-                    &mut self.buffer_line,
-                    "{}",
-                    self.byte_char_table[b as usize]
-                );
-
-                if idx == 8 {
-                    let _ = write!(&mut self.buffer_line, "{}", self.border_style.inner_sep());
+            if len < usize::from(8 * self.columns) {
+                write!(&mut self.buffer_line, "{0:1$}", "", 3 * (8 - len % 8))?;
+                for _ in 0..(usize::from(8 * self.columns) - (len + (8 - len % 8))) / 8 {
+                    write!(
+                        &mut self.buffer_line,
+                        "{2}{0:1$}",
+                        "",
+                        1 + 3 * 8,
+                        self.border_style.inner_sep()
+                    )?;
                }
-
-                idx += 1;
-            }
-
-            if len < 8 {
-                let _ = writeln!(
-                    &mut self.buffer_line,
-                    "{0:1$}{3}{0:2$}{4}",
-                    "",
-                    8 - len,
-                    8,
-                    self.border_style.inner_sep(),
-                    self.border_style.outer_sep(),
-                );
-            } else {
-                let _ = writeln!(
-                    &mut self.buffer_line,
-                    "{0:1$}{2}",
-                    "",
-                    16 - len,
-                    self.border_style.outer_sep()
-                );
            }
+            write!(&mut self.buffer_line, "{}", self.border_style.outer_sep())?;
        }
+        self.print_char_panel();

        match squeeze_action {
            SqueezeAction::Print => {
@@ -373,17 +412,33 @@ impl<'a, Writer: Write> Printer<'a, Writer> {
                } else {
                    String::from("*")
                };
-                let _ = writeln!(
+
+                write!(
                    &mut self.buffer_line,
-                    "{5}{0}{1:2$}{5}{1:3$}{6}{1:3$}{5}{1:4$}{6}{1:4$}{5}",
+                    "{3}{0}{1:2$}{3}",
                    asterisk,
                    "",
                    7,
-                    25,
-                    8,
-                    self.border_style.outer_sep(),
-                    self.border_style.inner_sep(),
-                );
+                    self.border_style.outer_sep()
+                )?;
+
+                for i in 0..self.columns {
+                    write!(&mut self.buffer_line, "{0:1$}", "", 25)?;
+                    if i != self.columns - 1 {
+                        write!(&mut self.buffer_line, "{}", self.border_style.inner_sep())?;
+                    } else {
+                        write!(&mut self.buffer_line, "{}", self.border_style.outer_sep())?;
+                    }
+                }
+
+                for i in 0..self.columns {
+                    write!(&mut self.buffer_line, "{0:1$}", "", 8)?;
+                    if i != self.columns - 1 {
+                        write!(&mut self.buffer_line, "{}", self.border_style.inner_sep())?;
+                    } else {
+                        writeln!(&mut self.buffer_line, "{}", self.border_style.outer_sep())?;
+                    }
+                }
            }
            SqueezeAction::Delete => self.buffer_line.clear(),
            SqueezeAction::Ignore => (),
@@ -430,14 +485,22 @@ impl<'a, Writer: Write> Printer<'a, Writer> {
        self.print_textline().ok();

        if !self.header_was_printed() {
-            self.header();
-            writeln!(
+            self.print_header();
+            if self.show_position_panel {
+                write!(self.writer, "{0:9}", "│").ok();
+            }
+            write!(
                self.writer,
-                "│        │ No content to print     │                         │        │        │"
+                "{0:2}{1:24}{0}{0:>26}",
+                "│", "No content to print"
            )
            .ok();
+            if self.show_char_panel {
+                write!(self.writer, "{0:>9}{0:>9}", "│").ok();
+            }
+            writeln!(self.writer).ok();
        }
-        self.footer();
+        self.print_footer();

        Ok(())
    }
@@ -450,14 +513,22 @@ mod tests {

    use super::*;

-    fn assert_print_all_output<Reader: Read>(input: Reader, expected_string: String) -> () {
+    fn assert_print_all_output<Reader: Read>(input: Reader, expected_string: String) {
        let mut output = vec![];
-        let mut printer = Printer::new(&mut output, false, BorderStyle::Unicode, true);
+        let mut printer = Printer::new(
+            &mut output,
+            false,
+            true,
+            true,
+            BorderStyle::Unicode,
+            true,
+            2,
+        );

        printer.print_all(input).unwrap();

        let actual_string: &str = str::from_utf8(&output).unwrap();
-        assert_eq!(actual_string, expected_string)
+        assert_eq!(actual_string, expected_string,)
    }

    #[test]
@@ -496,8 +567,15 @@ mod tests {
        .to_owned();

        let mut output = vec![];
-        let mut printer: Printer<Vec<u8>> =
-            Printer::new(&mut output, false, BorderStyle::Unicode, true);
+        let mut printer: Printer<Vec<u8>> = Printer::new(
+            &mut output,
+            false,
+            true,
+            true,
+            BorderStyle::Unicode,
+            true,
+            2,
+        );
        printer.display_offset(0xdeadbeef);

        printer.print_all(input).unwrap();
@@ -505,4 +583,34 @@ mod tests {
        let actual_string: &str = str::from_utf8(&output).unwrap();
        assert_eq!(actual_string, expected_string)
    }
+
+    #[test]
+    fn multiple_columns() {
+        let input = io::Cursor::new(b"supercalifragilisticexpialidocioussupercalifragilisticexpialidocioussupercalifragilisticexpialidocious");
+        let expected_string = "\
+┌────────┬─────────────────────────┬─────────────────────────┬─────────────────────────┬─────────────────────────┬────────┬────────┬────────┬────────┐
+│00000000│ 73 75 70 65 72 63 61 6c ┊ 69 66 72 61 67 69 6c 69 ┊ 73 74 69 63 65 78 70 69 ┊ 61 6c 69 64 6f 63 69 6f │supercal┊ifragili┊sticexpi┊alidocio│
+│00000020│ 75 73 73 75 70 65 72 63 ┊ 61 6c 69 66 72 61 67 69 ┊ 6c 69 73 74 69 63 65 78 ┊ 70 69 61 6c 69 64 6f 63 │ussuperc┊alifragi┊listicex┊pialidoc│
+│00000040│ 69 6f 75 73 73 75 70 65 ┊ 72 63 61 6c 69 66 72 61 ┊ 67 69 6c 69 73 74 69 63 ┊ 65 78 70 69 61 6c 69 64 │ioussupe┊rcalifra┊gilistic┊expialid│
+│00000060│ 6f 63 69 6f 75 73       ┊                         ┊                         ┊                         │ocious  ┊        ┊        ┊        │
+└────────┴─────────────────────────┴─────────────────────────┴─────────────────────────┴─────────────────────────┴────────┴────────┴────────┴────────┘
+"
+        .to_owned();
+
+        let mut output = vec![];
+        let mut printer: Printer<Vec<u8>> = Printer::new(
+            &mut output,
+            false,
+            true,
+            true,
+            BorderStyle::Unicode,
+            true,
+            4,
+        );
+
+        printer.print_all(input).unwrap();
+
+        let actual_string: &str = str::from_utf8(&output).unwrap();
+        assert_eq!(actual_string, expected_string)
+    }
 }
@@ -22,6 +22,7 @@ enum SqueezeState {
 pub struct Squeezer {
    state: SqueezeState,
    byte: u8,
+    lsize: u64,
 }

 #[derive(Debug, PartialEq)]
@@ -31,11 +32,8 @@ pub enum SqueezeAction {
    Delete,
 }

-/// line size
-const LSIZE: u64 = 16;
-
 impl Squeezer {
-    pub fn new(enabled: bool) -> Squeezer {
+    pub fn new(enabled: bool, lsize: u64) -> Squeezer {
        Squeezer {
            state: if enabled {
                SqueezeState::Probe
@@ -43,6 +41,7 @@ impl Squeezer {
                SqueezeState::Disabled
            },
            byte: 0,
+            lsize,
        }
    }

@@ -53,7 +52,7 @@ impl Squeezer {
        }
        let eq = b == self.byte;

-        if i % LSIZE == 0 {
+        if i % self.lsize == 0 {
            if !eq {
                self.state = Probe;
            } else {
@@ -68,9 +67,9 @@ impl Squeezer {
                };
            }
        } else if !eq {
-            if i % LSIZE == 1 {
+            if i % self.lsize == 1 {
                self.state = Probe;
-            } else if i % LSIZE != 1 {
+            } else if i % self.lsize != 1 {
                self.state = NoSqueeze;
            }
        }
@@ -80,10 +79,10 @@ impl Squeezer {

    pub fn active(&self) -> bool {
        use self::SqueezeState::*;
-        match self.state {
-            Squeeze | SqueezeActive | SqueezeFirstLine | SqueezeActiveFirstLine => true,
-            _ => false,
-        }
+        matches!(
+            self.state,
+            Squeeze | SqueezeActive | SqueezeFirstLine | SqueezeActiveFirstLine
+        )
    }

    pub fn action(&self) -> SqueezeAction {
@@ -111,13 +110,14 @@ impl Squeezer {
 mod tests {
    use super::*;

+    const LSIZE: u64 = 16;
    const LSIZE_USIZE: usize = LSIZE as usize;

    #[test]
    fn three_same_lines() {
        const LINES: usize = 3;
        let v = vec![0u8; LINES * LSIZE_USIZE];
-        let mut s = Squeezer::new(true);
+        let mut s = Squeezer::new(true, LSIZE);
        // just initialized
        assert_eq!(s.action(), SqueezeAction::Ignore);
        s.advance();
@@ -128,9 +128,8 @@ mod tests {
            SqueezeAction::Delete, // delete reoccurring line
        ];

-        let mut line = 0;
        let mut idx = 1;
-        for z in v.chunks(LSIZE_USIZE) {
+        for (line, z) in v.chunks(LSIZE_USIZE).enumerate() {
            for i in z {
                s.process(*i, idx);
                idx += 1;
@@ -138,7 +137,6 @@ mod tests {
            let action = s.action();
            s.advance();
            assert_eq!(action, exp[line]);
-            line += 1;
        }
    }

@@ -146,7 +144,7 @@ mod tests {
    fn incomplete_while_squeeze() {
        // fourth line only has 12 bytes and should be printed
        let v = vec![0u8; 3 * LSIZE_USIZE + 12];
-        let mut s = Squeezer::new(true);
+        let mut s = Squeezer::new(true, LSIZE);
        // just initialized
        assert_eq!(s.action(), SqueezeAction::Ignore);
        s.advance();
@@ -158,16 +156,14 @@ mod tests {
            SqueezeAction::Ignore, // last line only 12 bytes, print it
        ];

-        let mut line = 0;
        let mut idx = 1;
-        for z in v.chunks(LSIZE_USIZE) {
+        for (line, z) in v.chunks(LSIZE_USIZE).enumerate() {
            for i in z {
                s.process(*i, idx);
                idx += 1;
            }
            assert_eq!(s.action(), exp[line]);
            s.advance();
-            line += 1;
        }
    }

@@ -179,7 +175,7 @@ mod tests {
        v.extend(vec![1u8; 16]);
        v.extend(vec![2u8; 16]);

-        let mut s = Squeezer::new(true);
+        let mut s = Squeezer::new(true, LSIZE);
        // just initialized
        assert_eq!(s.action(), SqueezeAction::Ignore);
        s.advance();
@@ -190,9 +186,8 @@ mod tests {
            SqueezeAction::Ignore, // different
        ];

-        let mut line = 0;
        let mut idx = 1;
-        for z in v.chunks(LSIZE_USIZE) {
+        for (line, z) in v.chunks(LSIZE_USIZE).enumerate() {
            for i in z {
                s.process(*i, idx);
                idx += 1;
@@ -200,7 +195,6 @@ mod tests {
            let action = s.action();
            assert_eq!(action, exp[line]);
            s.advance();
-            line += 1;
        }
    }

@@ -212,7 +206,7 @@ mod tests {
        let mut v = vec![0u8; (LINES - 1) * LSIZE_USIZE];
        v.extend(vec![1u8; 16]);

-        let mut s = Squeezer::new(true);
+        let mut s = Squeezer::new(true, LSIZE);
        // just initialized
        assert_eq!(s.action(), SqueezeAction::Ignore);
        s.advance();
@@ -223,9 +217,8 @@ mod tests {
            SqueezeAction::Ignore, // different lines, print again
        ];

-        let mut line = 0;
        let mut idx = 1;
-        for z in v.chunks(LSIZE_USIZE) {
+        for (line, z) in v.chunks(LSIZE_USIZE).enumerate() {
            for i in z {
                s.process(*i, idx);
                idx += 1;
@@ -233,7 +226,6 @@ mod tests {
            let action = s.action();
            s.advance();
            assert_eq!(action, exp[line]);
-            line += 1;
        }
    }

@@ -245,7 +237,7 @@ mod tests {
        v.extend(vec![0u8; 8]);
        v.extend(vec![1u8; 8]);

-        let mut s = Squeezer::new(true);
+        let mut s = Squeezer::new(true, LSIZE);
        // just initialized
        assert_eq!(s.action(), SqueezeAction::Ignore);
        s.advance();
@@ -255,9 +247,8 @@ mod tests {
            SqueezeAction::Ignore, // print squeeze symbol
        ];

-        let mut line = 0;
        let mut idx = 1;
-        for z in v.chunks(LSIZE_USIZE) {
+        for (line, z) in v.chunks(LSIZE_USIZE).enumerate() {
            for i in z {
                s.process(*i, idx);
                idx += 1;
@@ -265,7 +256,6 @@ mod tests {
            let action = s.action();
            s.advance();
            assert_eq!(action, exp[line]);
-            line += 1;
        }
    }

@@ -280,7 +270,7 @@ mod tests {
        v.extend(vec![0u8; 8]);
        v.extend(vec![1u8; 8]);

-        let mut s = Squeezer::new(true);
+        let mut s = Squeezer::new(true, LSIZE);
        // just initialized
        assert_eq!(s.action(), SqueezeAction::Ignore);
        s.advance();
@@ -291,9 +281,8 @@ mod tests {
            SqueezeAction::Ignore, // print squeeze symbol
        ];

-        let mut line = 0;
        let mut idx = 1;
-        for z in v.chunks(LSIZE_USIZE) {
+        for (line, z) in v.chunks(LSIZE_USIZE).enumerate() {
            for i in z {
                s.process(*i, idx);
                idx += 1;
@@ -301,7 +290,6 @@ mod tests {
            let action = s.action();
            s.advance();
            assert_eq!(action, exp[line]);
-            line += 1;
        }
    }

@@ -321,7 +309,7 @@ mod tests {
        v.extend(vec![20u8; 16]); // print
        v.extend(vec![0u8; 12]); // print, only 12 bytes

-        let mut s = Squeezer::new(true);
+        let mut s = Squeezer::new(true, LSIZE);
        // just initialized
        assert_eq!(s.action(), SqueezeAction::Ignore);
        s.advance();
@@ -341,9 +329,8 @@ mod tests {
            SqueezeAction::Ignore,
        ];

-        let mut line = 0;
        let mut idx = 1;
-        for z in v.chunks(LSIZE_USIZE) {
+        for (line, z) in v.chunks(LSIZE_USIZE).enumerate() {
            for i in z {
                s.process(*i, idx);
                idx += 1;
@@ -351,7 +338,6 @@ mod tests {
            let action = s.action();
            s.advance();
            assert_eq!(action, exp[line]);
-            line += 1;
        }
    }

@@ -365,7 +351,7 @@ mod tests {
        v.extend(vec![20u8; 16]);
        v.extend(vec![20u8; 16]);

-        let mut s = Squeezer::new(true);
+        let mut s = Squeezer::new(true, LSIZE);
        // just initialized
        assert_eq!(s.action(), SqueezeAction::Ignore);
        s.advance();
@@ -377,16 +363,14 @@ mod tests {
            SqueezeAction::Print,  // print '*' char
        ];

-        let mut line = 0;
        let mut idx = 1;
-        for z in v.chunks(LSIZE_USIZE) {
+        for (line, z) in v.chunks(LSIZE_USIZE).enumerate() {
            for i in z {
                s.process(*i, idx);
                idx += 1;
            }
            assert_eq!(s.action(), exp[line]);
            s.advance();
-            line += 1;
        }
    }

@@ -399,7 +383,7 @@ mod tests {
        v.extend(vec![20u8; 15]);
        v.extend(vec![20u8; 16]);

-        let mut s = Squeezer::new(true);
+        let mut s = Squeezer::new(true, LSIZE);
        // just initialized
        assert_eq!(s.action(), SqueezeAction::Ignore);
        s.advance();
@@ -410,16 +394,14 @@ mod tests {
            SqueezeAction::Ignore, // print as is
        ];

-        let mut line = 0;
        let mut idx = 1;
-        for z in v.chunks(LSIZE_USIZE) {
+        for (line, z) in v.chunks(LSIZE_USIZE).enumerate() {
            for i in z {
                s.process(*i, idx);
                idx += 1;
            }
            assert_eq!(s.action(), exp[line]);
            s.advance();
-            line += 1;
        }
    }
 }
@@ -1,7 +1,7 @@
 use assert_cmd::Command;

 fn hexyl() -> Command {
-    let mut cmd = Command::cargo_bin("hexyl").unwrap();
+    let mut cmd = Command::new(assert_cmd::cargo_bin!("hexyl"));
    cmd.current_dir("tests/examples");
    cmd
 }
@@ -85,6 +85,30 @@ mod length {
            .assert()
            .failure();
    }
+
+    #[test]
+    fn fail_if_length_and_count_options_are_used_simultaneously() {
+        hexyl()
+            .arg("hello_world_elf64")
+            .arg("--length=32")
+            .arg("-l=10")
+            .assert()
+            .failure();
+    }
+}
+
+mod bytes {
+    use super::hexyl;
+
+    #[test]
+    fn fail_if_bytes_and_count_options_are_used_simultaneously() {
+        hexyl()
+            .arg("hello_world_elf64")
+            .arg("--bytes=32")
+            .arg("-l=10")
+            .assert()
+            .failure();
+    }
 }

 mod skip {
@@ -203,3 +227,47 @@ mod blocksize {
            .failure();
    }
 }
+
+mod display_settings {
+    use super::hexyl;
+
+    #[test]
+    fn plain() {
+        hexyl()
+            .arg("ascii")
+            .arg("--plain")
+            .assert()
+            .success()
+            .stdout("  30 31 32 33 34 35 36 37   38 39 61 62 63 64 65 0a  \n");
+    }
+
+    #[test]
+    fn no_chars() {
+        hexyl()
+            .arg("ascii")
+            .arg("--no-characters")
+            .arg("--color=never")
+            .assert()
+            .success()
+            .stdout(
+                "┌────────┬─────────────────────────┬─────────────────────────┐\n\
+                 │00000000│ 30 31 32 33 34 35 36 37 ┊ 38 39 61 62 63 64 65 0a │\n\
+                 └────────┴─────────────────────────┴─────────────────────────┘\n",
+            );
+    }
+
+    #[test]
+    fn no_position() {
+        hexyl()
+            .arg("ascii")
+            .arg("--no-position")
+            .arg("--color=never")
+            .assert()
+            .success()
+            .stdout(
+                "┌─────────────────────────┬─────────────────────────┬────────┬────────┐\n\
+                 │ 30 31 32 33 34 35 36 37 ┊ 38 39 61 62 63 64 65 0a │01234567┊89abcde_│\n\
+                 └─────────────────────────┴─────────────────────────┴────────┴────────┘\n",
+            );
+    }
+}
Author	SHA1	Message	Date
David Peter	becc75caf1	Fix #254	2026-02-14 13:42:51 +01:00
Sharif Haason	cc9476d665	Return a proper error if terminal size fails	2022-07-17 15:53:56 -04:00
Sharif Haason	ab381e88f8	Change columns type to `u16`	2022-07-17 15:53:23 -04:00
Sharif Haason	361ded43fd	Remove debugging line	2022-07-17 15:48:05 -04:00
Sharif Haason	20056fb4d9	Bump MSRV	2022-07-17 15:26:43 -04:00
Sharif Haason	34c55b5e55	Implement -a and -t for terminal width setting	2022-07-17 15:20:00 -04:00
Sharif Haason	f4c4b22c57	Added test for multiple columns	2022-07-17 13:37:25 -04:00
Sharif Haason	98c65d94e7	Prevent overflow when columns >= 32	2022-07-17 11:31:46 -04:00
sharifandDavid Peter	d74520fbab	Update src/squeezer.rs Co-authored-by: David Peter <sharkdp@users.noreply.github.com>	2022-07-17 08:54:24 -04:00
Sharif Haason	c8b05ff96f	`cargo fmt`	2022-07-12 11:49:50 -04:00
Sharif Haason	734365723b	Adds --columns for Print using custom width #13	2022-07-12 11:39:24 -04:00
Giovanni Tirloni	55cf7b034c	Add Fedora install instructions	2022-06-23 21:56:49 +02:00
Vadym-Valdis Yudaiev	c622c8217f	doc: Add example usage with terminal pager	2022-05-24 18:57:21 +02:00
David Peter	49484fa0f0	Bump MSRV	2022-05-22 22:26:59 +02:00
David Peter	3661b06b60	Update CHANGELOG	2022-05-22 22:24:47 +02:00
David Peter	f5814d4442	Update version	2022-05-22 22:23:25 +02:00
David Peter	49ebf4771f	Update to clap 3	2022-05-22 22:21:49 +02:00
David Peter	4904a7e26f	Relax constraints	2022-05-22 21:53:26 +02:00
David Peter	becc1b80f1	Update dependencies	2022-05-22 21:52:44 +02:00
David Peter	1fb5263c3b	Fix clippy suggestions	2022-05-22 21:48:40 +02:00
David Peter	0ae89168ad	Update CHANGELOG	2022-05-22 21:39:42 +02:00
Mikhail Katychev	6873867658	table -> panel	2022-05-22 21:34:26 +02:00
Mikhail Katychev	f15e049bf5	added proposed table suffix to no_chars and no_position	2022-05-22 21:34:26 +02:00
Mikhail Katychev	1d04cdf119	bump min version	2022-05-22 21:34:26 +02:00
Mikhail Katychev	5d92f07e21	cargo clippy warning	2022-05-22 21:34:26 +02:00
Mikhail Katychev	a4ed50e1f0	clippy feedback	2022-05-22 21:34:26 +02:00
Mikhail Katychev	f7f7447994	added --plain functionality	2022-05-22 21:34:26 +02:00
cuishuang	e4f0e8a092	fix some typos Signed-off-by: cuishuang <imcusg@gmail.com>	2022-05-18 20:10:29 +02:00
Shun Sakai	a23645ddfd	Add man page	2022-03-27 10:22:14 +02:00
Shun Sakai	7da04c6bff	Change `-l` to conflict with `-n` and `-c`	2022-03-25 22:00:40 +01:00
Shun Sakai	c497c1fac9	Fix Clippy warnings	2022-03-25 22:00:40 +01:00
Shun Sakai	653cf02954	Add `rustfmt` and `clippy` to the CI	2022-03-25 22:00:40 +01:00
David Peter	18cdbe02c5	Fix Debian package description	2021-11-14 09:36:35 +01:00
merkrafter	d1ae68585f	Make code compatible with rust 1.46	2021-11-14 09:26:21 +01:00
merkrafter	7a225fe732	Apply clippy suggestions	2021-11-14 09:26:21 +01:00
merkrafter	1b33e516d9	Move hex number processing into own function	2021-11-14 09:26:21 +01:00
merkrafter	55d02c933a	Move sign (+/-) processing into own function	2021-11-14 09:26:21 +01:00
merkrafter	b8ed8d5df9	Raise minimum Rust version for executable to 1.46	2021-11-14 09:26:21 +01:00
merkrafter	641c32e395	Mention new feature in CHANGELOG	2021-11-14 09:26:21 +01:00
merkrafter	51b28ed0b0	Allow hex numbers for --block-size	2021-11-14 09:26:21 +01:00
merkrafter	825100c6d6	Deny 'block' as unit for --block-size	2021-11-14 09:26:21 +01:00
merkrafter	1b1fc4b053	Allow units for --block-size	2021-11-14 09:26:21 +01:00
merkrafter	c3dd4e871e	Use extraction function for length arg parsing	2021-11-14 09:26:21 +01:00
merkrafter	923bceffaa	Add function to extract num and unit from string Having this as an own function allows special handling of the 'block' unit in --block-size argument.	2021-11-14 09:26:21 +01:00
merkrafter	2942d2419f	Introduce enum for byte size units	2021-11-14 09:26:21 +01:00
merkrafter	37d4180f9a	Refactor default block size into constant	2021-11-14 09:26:21 +01:00
Mark Umnus	99435cd215	Mention ability to specify length in hex	2021-10-20 22:52:01 +02:00
Issac Lin	27f039d72a	README: Add `scoop` instruction (on Windows)	2021-09-20 08:41:25 +02:00
a1346054	e72422ecfb	Trim trailing whitespace	2021-08-28 09:56:56 +02:00
a1346054	3c56ed2b0e	Fix typos	2021-08-28 09:56:56 +02:00
a1346054	a09ea8ee27	Use HTTPS links	2021-08-28 09:56:56 +02:00
David Peter	d6bdfe9897	Update package links	2021-08-25 22:17:21 +02:00
HRXN	7c9f7e1bd0	README.md does not mention availability of binary builds for Windows Could not check this, but release page lists Windows binaries, apparently.	2021-07-12 07:15:41 +02:00
David Peter	b1d2a47590	Remove old ci/ directory	2021-07-11 22:03:19 +02:00