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244 lines
9.0 KiB
Groff
244 lines
9.0 KiB
Groff
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BAT(1) General Commands Manual BAT(1)
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NAME
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bat - a cat(1) clone with syntax highlighting and Git integration.
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USAGE
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bat [OPTIONS] [FILE]...
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bat cache [CACHE-OPTIONS] [--build|--clear]
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DESCRIPTION
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bat prints the syntax-highlighted content of a collection of FILEs to
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the terminal. If no FILE is specified, or when FILE is '-', it reads
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from standard input.
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bat supports a large number of programming and markup languages. It
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also communicates with git(1) to show modifications with respect to the
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git index. bat automatically pipes its output through a pager (by de‐
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fault: less).
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Whenever the output of bat goes to a non-interactive terminal, i.e.
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when the output is piped into another process or into a file, bat will
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act as a drop-in replacement for cat(1) and fall back to printing the
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plain file contents.
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OPTIONS
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General remarks: Command-line options like '-l'/'--language' that take
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values can be specified as either '--language value', '--lan‐
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guage=value', '-l value' or '-lvalue'.
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-A, --show-all
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Show non-printable characters like space, tab or newline. Use
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'--tabs' to control the width of the tab-placeholders.
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-p, --plain
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Only show plain style, no decorations. This is an alias for
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'--style=plain'. When '-p' is used twice ('-pp'), it also dis‐
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ables automatic paging (alias for '--style=plain
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--pager=never').
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-l, --language <language>
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Explicitly set the language for syntax highlighting. The lan‐
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guage can be specified as a name (like 'C++' or 'LaTeX') or pos‐
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sible file extension (like 'cpp', 'hpp' or 'md'). Use
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'--list-languages' to show all supported language names and file
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extensions.
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-H, --highlight-line <N:M>...
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Highlight the specified line ranges with a different background
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color For example:
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--highlight-line 40
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highlights line 40
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--highlight-line 30:40
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highlights lines 30 to 40
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--highlight-line :40
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highlights lines 1 to 40
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--highlight-line 40:
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highlights lines 40 to the end of the file
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--tabs <T>
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Set the tab width to T spaces. Use a width of 0 to pass tabs
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through directly
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--wrap <mode>
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Specify the text-wrapping mode (*auto*, never, character). The
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'--terminal-width' option can be used in addition to control the
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output width.
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--terminal-width <width>
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Explicitly set the width of the terminal instead of determining
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it automatically. If prefixed with '+' or '-', the value will be
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treated as an offset to the actual terminal width. See also:
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'--wrap'.
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-n, --number
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Only show line numbers, no other decorations. This is an alias
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for '--style=numbers'
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--color <when>
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Specify when to use colored output. The automatic mode only en‐
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ables colors if an interactive terminal is detected. Possible
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values: *auto*, never, always.
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--italic-text <when>
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Specify when to use ANSI sequences for italic text in the out‐
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put. Possible values: always, *never*.
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--decorations <when>
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Specify when to use the decorations that have been specified via
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'--style'. The automatic mode only enables decorations if an in‐
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teractive terminal is detected. Possible values: *auto*, never,
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always.
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-f, --force-colorization
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Alias for '--decorations=always --color=always'. This is useful
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if the output of bat is piped to another program, but you want
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to keep the colorization/decorations.
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--paging <when>
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Specify when to use the pager. To disable the pager, use '--pag‐
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ing=never' or its alias, -P. To disable the pager permanently,
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set BAT_PAGER to an empty string. To control which pager is
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used, see the '--pager' option. Possible values: *auto*, never,
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always.
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--pager <command>
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Determine which pager is used. This option will override the
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PAGER and BAT_PAGER environment variables. The default pager is
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'less'. To control when the pager is used, see the '--paging'
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option. Example: '--pager "less -RF"'.
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-m, --map-syntax <glob-pattern:syntax-name>...
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Map a glob pattern to an existing syntax name. The glob pattern
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is matched on the full path and the filename. For example, to
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highlight *.build files with the Python syntax, use -m
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'*.build:Python'. To highlight files named '.myignore' with the
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Git Ignore syntax, use -m '.myignore:Git Ignore'.
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--theme <theme>
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Set the theme for syntax highlighting. Use '--list-themes' to
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see all available themes. To set a default theme, add the
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'--theme="..."' option to the configuration file or export the
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BAT_THEME environment variable (e.g.: export BAT_THEME="...").
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--list-themes
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Display a list of supported themes for syntax highlighting.
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--style <style-components>
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Configure which elements (line numbers, file headers, grid bor‐
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ders, Git modifications, ..) to display in addition to the file
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contents. The argument is a comma-separated list of components
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to display (e.g. 'numbers,changes,grid') or a pre-defined style
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('full'). To set a default style, add the '--style=".."' option
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to the configuration file or export the BAT_STYLE environment
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variable (e.g.: export BAT_STYLE=".."). Possible values: *auto*,
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full, plain, changes, header, grid, numbers, snip.
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-r, --line-range <N:M>...
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Only print the specified range of lines for each file. For exam‐
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ple:
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--line-range 30:40
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prints lines 30 to 40
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--line-range :40
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prints lines 1 to 40
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--line-range 40:
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prints lines 40 to the end of the file
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-L, --list-languages
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Display a list of supported languages for syntax highlighting.
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-u, --unbuffered
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This option exists for POSIX-compliance reasons ('u' is for 'un‐
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buffered'). The output is always unbuffered - this option is
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simply ignored.
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-h, --help
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Print this help message.
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-V, --version
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Show version information.
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POSITIONAL ARGUMENTS
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<FILE>...
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Files to print and concatenate. Use a dash ('-') or no argument
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at all to read from standard input.
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SUBCOMMANDS
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cache - Modify the syntax-definition and theme cache.
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FILES
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bat can also be customized with a configuration file. The location of
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the file is dependent on your operating system. To get the default path
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for your system, call:
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bat --config-file
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Alternatively, you can use the BAT_CONFIG_PATH environment variable to
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point bat to a non-default location of the configuration file.
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ADDING CUSTOM LANGUAGES
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bat supports Sublime Text .sublime-syntax language files, and can be
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customized to add additional languages to your local installation. To
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do this, add the .sublime-snytax language files to `$(bat --config-
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dir)/syntaxes` and run `bat cache --build`.
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Example:
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mkdir -p "$(bat --config-dir)/syntaxes"
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cd "$(bat --config-dir)/syntaxes"
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# Put new '.sublime-syntax' language definition files
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# in this folder (or its subdirectories), for example:
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git clone https://github.com/tellnobody1/sublime-purescript-syntax
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# And then build the cache.
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bat cache --build
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Once the cache is built, the new language will be visible in `bat
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--list-languages`.
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If you ever want to remove the custom languages, you can clear the
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cache with `bat cache --clear`.
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ADDING CUSTOM THEMES
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Similarly to custom languages, bat supports Sublime Text .tmTheme
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themes. These can be installed to `$(bat --config-dir)/themes`, and
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are added to the cache with `bat cache --build`.
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MORE INFORMATION
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For more information and up-to-date documentation, visit the bat repo:
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https://github.com/sharkdp/bat
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BAT(1)
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