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<ol class="chapter"><li class="chapter-item expanded affix "><a href="../index.html">Introduction</a></li><li class="chapter-item expanded "><a href="../installation.html"><strong aria-hidden="true">1.</strong> Installation</a></li><li class="chapter-item expanded "><a href="../build.html"><strong aria-hidden="true">2.</strong> Build from source</a></li><li class="chapter-item expanded "><a href="../contributing.html"><strong aria-hidden="true">3.</strong> Contributing</a></li><li class="chapter-item expanded "><a href="../test_coverage.html"><strong aria-hidden="true">4.</strong> GNU test coverage</a></li><li class="chapter-item expanded "><a href="../extensions.html"><strong aria-hidden="true">5.</strong> Extensions</a></li><li class="chapter-item expanded affix "><li class="part-title">Reference</li><li class="chapter-item expanded "><a href="../multicall.html"><strong aria-hidden="true">6.</strong> Multi-call binary</a></li><li class="chapter-item expanded "><a href="../utils/arch.html"><strong aria-hidden="true">7.</strong> arch</a></li><li class="chapter-item expanded "><a href="../utils/b2sum.html"><strong aria-hidden="true">8.</strong> b2sum</a></li><li class="chapter-item expanded "><a href="../utils/b3sum.html"><strong aria-hidden="true">9.</strong> b3sum</a></li><li class="chapter-item expanded "><a href="../utils/base32.html"><strong aria-hidden="true">10.</strong> base32</a></li><li class="chapter-item expanded "><a href="../utils/base64.html"><strong aria-hidden="true">11.</strong> base64</a></li><li class="chapter-item expanded "><a href="../utils/basename.html"><strong aria-hidden="true">12.</strong> basename</a></li><li class="chapter-item expanded "><a href="../utils/basenc.html"><strong aria-hidden="true">13.</strong> basenc</a></li><li class="chapter-item expanded "><a href="../utils/cat.html"><strong aria-hidden="true">14.</strong> cat</a></li><li class="chapter-item expanded "><a href="../utils/chcon.html"><strong aria-hidden="true">15.</strong> chcon</a></li><li class="chapter-item expanded "><a href="../utils/chgrp.html"><strong aria-hidden="true">16.</strong> chgrp</a></li><li class="chapter-item expanded "><a href="../utils/chmod.html"><strong aria-hidden="true">17.</strong> chmod</a></li><li class="chapter-item expanded "><a href="../utils/chown.html"><strong aria-hidden="true">18.</strong> chown</a></li><li class="chapter-item expanded "><a href="../utils/chroot.html"><strong aria-hidden="true">19.</strong> chroot</a></li><li class="chapter-item expanded "><a href="../utils/cksum.html"><strong aria-hidden="true">20.</strong> cksum</a></li><li class="chapter-item expanded "><a href="../utils/comm.html"><strong aria-hidden="true">21.</strong> comm</a></li><li class="chapter-item expanded "><a href="../utils/cp.html"><strong aria-hidden="true">22.</strong> cp</a></li><li class="chapter-item expanded "><a href="../utils/csplit.html"><strong aria-hidden="true">23.</strong> csplit</a></li><li class="chapter-item expanded "><a href="../utils/cut.html" class="active"><strong aria-hidden="true">24.</strong> cut</a></li><li class="chapter-item expanded "><a href="../utils/date.html"><strong aria-hidden="true">25.</strong> date</a></li><li class="chapter-item expanded "><a href="../utils/dd.html"><strong aria-hidden="true">26.</strong> dd</a></li><li class="chapter-item expanded "><a href="../utils/df.html"><strong aria-hidden="true">27.</strong> df</a></li><li class="chapter-item expanded "><a href="../utils/dir.html"><strong aria-hidden="true">28.</strong> dir</a></li><li class="chapter-item expanded "><a href="../utils/dircolors.html"><strong aria-hidden="true">29.</strong> dircolors</a></li><li class="chapter-item expanded "><a href="../utils/dirname.html"><strong aria-hidden="true">30.</strong> dirname</a></li><li class="chapter-item expanded "><a href="../utils/du.html"><strong aria-hidden="true">31.</strong> du</a></li><li class="chapter-item expanded "><a href="../utils/echo.html"><strong aria-hidden="true">32.</strong> echo</a></li><li class="chapter-item expanded "><a href="../utils/env.html"><strong aria-hidden="true">33.</strong> env</a></li><li class="chapter-item expanded "><a href="../utils/expand.html"><strong aria-hidden="true">34.</strong> expand</a></li><li class="chapter-item expanded "><a href="../utils/expr.html"><strong aria-hidden="true">35.</strong> expr</a></li><li class="chapter-item expanded "><a href="../utils/factor.html"><strong aria-hidden="true">36.</strong> factor</a></li><li class="chapter-item expanded "><a href="../utils/false.html"><strong aria-hidden="true">37.</strong> false</a></li><li class="chapter-item expanded "><a href="../utils/fmt.html"><strong aria-hidden="true">38.</strong> fmt</a></li><li class="chapter-item expanded "><a href="../utils/fold.html"><strong aria-hidden="true">39.</strong> fold</a></li><li class="chapter-item expanded "><a href="../utils/groups.html"><strong aria-hidden="true">40.</strong> groups</a></li><li class="chapter-item expanded "><a href="../utils/hashsum.html"><strong aria-hidden="true">41.</strong> hashsum</a></li><li class="chapter-item expanded "><a href="../utils/head.html"><strong aria-hidden="true">42.</strong> head</a></li><li class="chapter-item expanded "><a href="../utils/hostid.html"><strong aria-hidden="true">43.</strong> hostid</a></li><li class="chapter-item expanded "><a href="../utils/hostname.html"><strong aria-hidden="true">44.</strong> hostname</a></li><li class="chapter-item expanded "><a href="../utils/id.html"><strong aria-hidden="true">45.</strong> id</a></li><li class="chapter-item expanded "><a href="../utils/install.html"><strong aria-hidden="true">46.</strong> install</a></li><li class="chapter-item expanded "><a href="../utils/join.html"><strong aria-hidden="true">47.</strong> join</a></li><li class="chapter-item expanded "><a href="../utils/kill.html"><strong aria-hidden="true">48.</strong> kill</a></li><li class="chapter-item expanded "><a href="../utils/link.html"><strong aria-hidden="true">49.</strong> link</a></li><li class="chapter-item expanded "><a href="../utils/ln.html"><strong aria-hidden="true">50.</strong> ln</a></li><li class="chapter-item expanded "><a href="../utils/logname.html"><strong aria-hidden="true">51.</strong> logname</a></li><li class="chapter-item expanded "><a href="../utils/ls.html"><strong aria-hidden="true">52.</strong> ls</a></li><li class="chapter-item expanded "><a href="../utils/md5sum.html"><strong aria-hidden="true">53.</strong> md5sum</a></li><li class="chapter-item expanded "><a href="../utils/mkdir.html"><strong aria-hidden="true">54.</strong> mkdir</a></li><li class="chapter-item expanded "><a href="../utils/mkfifo.html"><strong aria-hidden="true">55.</strong> mkfifo</a></li><li class="chapter-item expanded "><a href="../utils/mknod.html"><strong aria-hidden="true">56.</strong> mknod</a></li><li class="chapter-item expanded "><a href="../utils/mktemp.html"><strong aria-hidden="true">57.</strong> mktemp</a></li><li class="chapter-item expanded "><a href="../utils/more.html"><strong aria-hidden="true">58.</strong> more</a></li><li class="chapter-item expanded "><a href="../utils/mv.html"><strong aria-hidden="true">59.</strong> mv</a></li><li class="chapter-item expanded "><a href="../utils/nice.html"><strong aria-hidden="true">60.</strong> nice</a></li><li class="chapter-item expanded "><a href="../utils/nl.html"><strong aria-hidden="true">61.</strong> nl</a></li><li class="chapter-item expanded "><a href="../utils/nohup.html"><strong aria-hidden="true">62.</strong> nohup</a></li><li class="chapter-item expanded "><a href="../utils/nproc.html"><strong aria-hidden="true">63.</strong> nproc</a></li><li class="chapter-item expanded "><a href="../utils/numfmt.html"><strong aria-hidden="true">64.</strong> numfmt</a></li><li class="chapter-item expanded "><a href="../utils/od.html"><strong 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href="../utils/sha224sum.html"><strong aria-hidden="true">82.</strong> sha224sum</a></li><li class="chapter-item expanded "><a href="../utils/sha256sum.html"><strong aria-hidden="true">83.</strong> sha256sum</a></li><li class="chapter-item expanded "><a href="../utils/sha3-224sum.html"><strong aria-hidden="true">84.</strong> sha3-224sum</a></li><li class="chapter-item expanded "><a href="../utils/sha3-256sum.html"><strong aria-hidden="true">85.</strong> sha3-256sum</a></li><li class="chapter-item expanded "><a href="../utils/sha3-384sum.html"><strong aria-hidden="true">86.</strong> sha3-384sum</a></li><li class="chapter-item expanded "><a href="../utils/sha3-512sum.html"><strong aria-hidden="true">87.</strong> sha3-512sum</a></li><li class="chapter-item expanded "><a href="../utils/sha384sum.html"><strong aria-hidden="true">88.</strong> sha384sum</a></li><li class="chapter-item expanded "><a href="../utils/sha3sum.html"><strong aria-hidden="true">89.</strong> sha3sum</a></li><li class="chapter-item expanded "><a href="../utils/sha512sum.html"><strong aria-hidden="true">90.</strong> sha512sum</a></li><li class="chapter-item expanded "><a href="../utils/shake128sum.html"><strong aria-hidden="true">91.</strong> shake128sum</a></li><li class="chapter-item expanded "><a href="../utils/shake256sum.html"><strong aria-hidden="true">92.</strong> shake256sum</a></li><li class="chapter-item expanded "><a href="../utils/shred.html"><strong aria-hidden="true">93.</strong> shred</a></li><li class="chapter-item expanded "><a href="../utils/shuf.html"><strong aria-hidden="true">94.</strong> shuf</a></li><li class="chapter-item expanded "><a href="../utils/sleep.html"><strong aria-hidden="true">95.</strong> sleep</a></li><li class="chapter-item expanded "><a href="../utils/sort.html"><strong aria-hidden="true">96.</strong> sort</a></li><li class="chapter-item expanded "><a href="../utils/split.html"><strong aria-hidden="true">97.</strong> split</a></li><li class="chapter-item expanded "><a href="../utils/stat.html"><strong aria-hidden="true">98.</strong> stat</a></li><li class="chapter-item expanded "><a href="../utils/stdbuf.html"><strong aria-hidden="true">99.</strong> stdbuf</a></li><li class="chapter-item expanded "><a href="../utils/stty.html"><strong aria-hidden="true">100.</strong> stty</a></li><li class="chapter-item expanded "><a href="../utils/sum.html"><strong aria-hidden="true">101.</strong> sum</a></li><li class="chapter-item expanded "><a href="../utils/sync.html"><strong aria-hidden="true">102.</strong> sync</a></li><li class="chapter-item expanded "><a href="../utils/tac.html"><strong aria-hidden="true">103.</strong> tac</a></li><li class="chapter-item expanded "><a href="../utils/tail.html"><strong aria-hidden="true">104.</strong> tail</a></li><li class="chapter-item expanded "><a href="../utils/tee.html"><strong aria-hidden="true">105.</strong> tee</a></li><li class="chapter-item expanded "><a href="../utils/test.html"><strong 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<h1 id="cut"><a class="header" href="#cut">cut</a></h1>
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<div class="version">v0.0.18
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<pre><code>cut [-d|-w] [-s] [-z] [--output-delimiter] ((-f|-b|-c) {{sequence}}) {{sourcefile}}+
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</code></pre>
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<p>Prints specified byte or field columns from each line of stdin or the input files</p>
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<h2 id="options"><a class="header" href="#options">Options</a></h2>
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<dl><dt><code>--bytes=<LIST></code>, <code>-b <LIST></code></dt>
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<dd>
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<p>filter byte columns from the input source</p>
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</dd>
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<dt><code>--characters=<LIST></code>, <code>-c <LIST></code></dt>
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<dd>
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<p>alias for character mode</p>
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</dd>
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<dt><code>--delimiter=<DELIM></code>, <code>-d <DELIM></code></dt>
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<dd>
|
|
<p>specify the delimiter character that separates fields in the input source. Defaults to Tab.</p>
|
|
</dd>
|
|
<dt><code>-w <WHITESPACE></code></dt>
|
|
<dd>
|
|
<p>Use any number of whitespace (Space, Tab) to separate fields in the input source (FreeBSD extension).</p>
|
|
</dd>
|
|
<dt><code>--fields=<LIST></code>, <code>-f <LIST></code></dt>
|
|
<dd>
|
|
<p>filter field columns from the input source</p>
|
|
</dd>
|
|
<dt><code>--complement</code></dt>
|
|
<dd>
|
|
<p>invert the filter - instead of displaying only the filtered columns, display all but those columns</p>
|
|
</dd>
|
|
<dt><code>--only-delimited</code>, <code>-s</code></dt>
|
|
<dd>
|
|
<p>in field mode, only print lines which contain the delimiter</p>
|
|
</dd>
|
|
<dt><code>--zero-terminated</code>, <code>-z</code></dt>
|
|
<dd>
|
|
<p>instead of filtering columns based on line, filter columns based on \0 (NULL character)</p>
|
|
</dd>
|
|
<dt><code>--output-delimiter=<NEW_DELIM></code></dt>
|
|
<dd>
|
|
<p>in field mode, replace the delimiter in output lines with this option's argument</p>
|
|
</dd>
|
|
<dt></dt>
|
|
<dd>
|
|
</dd>
|
|
</dl>
|
|
<p>Each call must specify a mode (what to use for columns),
|
|
a sequence (which columns to print), and provide a data source</p>
|
|
<h3 id="specifying-a-mode"><a class="header" href="#specifying-a-mode">Specifying a mode</a></h3>
|
|
<p>Use <code>--bytes</code> (<code>-b</code>) or <code>--characters</code> (<code>-c</code>) to specify byte mode</p>
|
|
<p>Use <code>--fields</code> (<code>-f</code>) to specify field mode, where each line is broken into
|
|
fields identified by a delimiter character. For example for a typical CSV
|
|
you could use this in combination with setting comma as the delimiter</p>
|
|
<h3 id="specifying-a-sequence"><a class="header" href="#specifying-a-sequence">Specifying a sequence</a></h3>
|
|
<p>A sequence is a group of 1 or more numbers or inclusive ranges separated
|
|
by a commas.</p>
|
|
<pre><code>cut -f 2,5-7 some_file.txt
|
|
</code></pre>
|
|
<p>will display the 2nd, 5th, 6th, and 7th field for each source line</p>
|
|
<p>Ranges can extend to the end of the row by excluding the second number</p>
|
|
<pre><code>cut -f 3- some_file.txt
|
|
</code></pre>
|
|
<p>will display the 3rd field and all fields after for each source line</p>
|
|
<p>The first number of a range can be excluded, and this is effectively the
|
|
same as using 1 as the first number: it causes the range to begin at the
|
|
first column. Ranges can also display a single column</p>
|
|
<pre><code>cut -f 1,3-5 some_file.txt
|
|
</code></pre>
|
|
<p>will display the 1st, 3rd, 4th, and 5th field for each source line</p>
|
|
<p>The <code>--complement</code> option, when used, inverts the effect of the sequence</p>
|
|
<pre><code>cut --complement -f 4-6 some_file.txt
|
|
</code></pre>
|
|
<p>will display the every field but the 4th, 5th, and 6th</p>
|
|
<h3 id="specifying-a-data-source"><a class="header" href="#specifying-a-data-source">Specifying a data source</a></h3>
|
|
<p>If no <code>sourcefile</code> arguments are specified, stdin is used as the source of
|
|
lines to print</p>
|
|
<p>If <code>sourcefile</code> arguments are specified, stdin is ignored and all files are
|
|
read in consecutively if a <code>sourcefile</code> is not successfully read, a warning
|
|
will print to stderr, and the eventual status code will be 1, but cut
|
|
will continue to read through proceeding <code>sourcefiles</code></p>
|
|
<p>To print columns from both STDIN and a file argument, use <code>-</code> (dash) as a
|
|
<code>sourcefile</code> argument to represent stdin.</p>
|
|
<h3 id="field-mode-options"><a class="header" href="#field-mode-options">Field Mode options</a></h3>
|
|
<p>The fields in each line are identified by a delimiter (separator)</p>
|
|
<h4 id="set-the-delimiter"><a class="header" href="#set-the-delimiter">Set the delimiter</a></h4>
|
|
<p>Set the delimiter which separates fields in the file using the
|
|
<code>--delimiter</code> (<code>-d</code>) option. Setting the delimiter is optional.
|
|
If not set, a default delimiter of Tab will be used.</p>
|
|
<p>If the <code>-w</code> option is provided, fields will be separated by any number
|
|
of whitespace characters (Space and Tab). The output delimiter will
|
|
be a Tab unless explicitly specified. Only one of <code>-d</code> or <code>-w</code> option can be specified.
|
|
This is an extension adopted from FreeBSD.</p>
|
|
<h4 id="optionally-filter-based-on-delimiter"><a class="header" href="#optionally-filter-based-on-delimiter">Optionally Filter based on delimiter</a></h4>
|
|
<p>If the <code>--only-delimited</code> (<code>-s</code>) flag is provided, only lines which
|
|
contain the delimiter will be printed</p>
|
|
<h4 id="replace-the-delimiter"><a class="header" href="#replace-the-delimiter">Replace the delimiter</a></h4>
|
|
<p>If the <code>--output-delimiter</code> option is provided, the argument used for
|
|
it will replace the delimiter character in each line printed. This is
|
|
useful for transforming tabular data - e.g. to convert a CSV to a
|
|
TSV (tab-separated file)</p>
|
|
<h3 id="line-endings"><a class="header" href="#line-endings">Line endings</a></h3>
|
|
<p>When the <code>--zero-terminated</code> (<code>-z</code>) option is used, cut sees \0 (null) as the
|
|
'line ending' character (both for the purposes of reading lines and
|
|
separating printed lines) instead of \n (newline). This is useful for
|
|
tabular data where some of the cells may contain newlines</p>
|
|
<pre><code>echo 'ab\\0cd' | cut -z -c 1
|
|
</code></pre>
|
|
<p>will result in 'a\0c\0'</p>
|
|
<h2 id="examples"><a class="header" href="#examples">Examples</a></h2>
|
|
<p>Print a specific character/field range of each line:</p>
|
|
<pre><code class="language-shell">{{command}} | cut --{{characters|fields}}={{1|1,10|1-10|1-|-10}}
|
|
</code></pre>
|
|
<p>Print a range of each line with a specific delimiter:</p>
|
|
<pre><code class="language-shell">{{command}} | cut --delimiter="{{,}}" --{{fields}}={{1}}
|
|
</code></pre>
|
|
<p>Print a range of each line of the specific file:</p>
|
|
<pre><code class="language-shell">cut --{{characters}}={{1}} {{path/to/file}}
|
|
</code></pre>
|
|
<blockquote>
|
|
<p>The examples are provided by the <a href="https://tldr.sh">tldr-pages project</a> under the <a href="https://github.com/tldr-pages/tldr/blob/main/LICENSE.md">CC BY 4.0 License</a>.</p>
|
|
<p>Please note that, as uutils is a work in progress, some examples might fail.</p>
|
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</blockquote>
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