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<!--replace-end-7--><!--replace-end-4--><!--replace-end-1--></head><body><div class="ui fluid container universe"><!--replace-start-2--><!--replace-start-3--><!--replace-start-6--><div class="ui text container" id="zettel-container" style="position: relative"><div class="zettel-view"><article class="ui raised attached segment zettel-content"><div class="pandoc"><h1 id="title-h1"><code>find</code></h1><p><code>find</code> can be used both to locate files and run operations on the files it finds.</p><h2 id="main-syntax">Main syntax</h2><h3 id="no-options">No options</h3><p>Without options specified, <code>find</code> alone will return a recursive index of all the files in the directory from which it is run.</p><h3 id="sub-directory">Sub-directory</h3><p>If we pass a directory to <code>find</code> it will repeat the above process but specifically for that directory.</p><pre><code class="bash language-bash">$ find i3
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i3
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i3/config</code></pre><h3 id="filters">Filters</h3><p>We can specify flags as filters (known as ‘tests’ within the program).</p><h4 id="type">Type</h4><p>Filter by type: file or directory</p><pre><code class="language-none">$ find -type d # return dirs only
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$ find -type f # return files only</code></pre><p>Within a specified directory:</p><pre><code class="bash language-bash">$ find i3 -type f</code></pre><h4 id="filename">Filename</h4><p>This is the most frequent use case: filter files by name with globbing.</p><pre><code class="bash language-bash">$ find -name "config"
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./.git/config
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./i3/config</code></pre><pre><code class="bash language-bash">$ find -name "*.js"</code></pre><p>The same, but case insensitive: <code>iname</code></p><pre><code class="bash language-bash">$ find -iname "*.JS"</code></pre><h4 id="path">Path</h4><p>As above but this time includes directory names in the match. <code>ipath</code> is the case-insensitive version.</p><pre><code class="bash language-bash">$ find -path "utils*"
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utils.js
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utils/do-something.js</code></pre><h3 id="operators">Operators</h3><p>We can combine <code>find</code> commands by using logical operators: <code>-and</code>, <code>-or</code>, <code>-not</code>. For example:</p><pre><code class="bash language-bash">$ find -not -name "*.js" -type f
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./app/index.html
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./app/style.css
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./dist/index.html
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./dist/style.c</code></pre><p>Applied to a directory:</p><pre><code class="bash language-bash">find . -type -f -not -path "./.git/"</code></pre><h2 id="run-programs-against-results">Run programs against results</h2><p>Using the <code>exec</code> keyword we can run a program against the files that are returned from <code>find</code>.</p><p>In this syntax we use <code>{}</code> as a placeholder for the path of the file that is matched. We use <code>;</code> (escaped) to indicate the end of the operation.</p><h3 id="examples">Examples</h3><p>This script deletes the files that match the filter criteria:</p><pre><code class="bash language-bash">$ find -name "*.js" -exec rm {} \;</code></pre><p>This script finds all the files with the substring ‘config’ in their name and writes their file size to a file.</p><pre><code class="bash language-bash">find -name '*config*' -exec wc -c {} \; > config-sizes</code></pre></div></article><nav class="ui attached segment deemphasized backlinksPane" id="neuron-backlinks-pane"><h3 class="ui header">Backlinks</h3><ul class="backlinks"><li><span class="zettel-link-container cf"><span class="zettel-link"><a href="Read_command__in_Bash.html">read</a></span></span><ul class="context-list" style="zoom: 85%;"><li class="item"><div class="pandoc"><p>Here we use <span class="zettel-link-container cf"><span class="zettel-link" title="Zettel: find"><a href="Find_Bash_command.html">find</a></span></span> to collate the files in the current directory and then pipe them to read.</p></div></li></ul></li></ul></nav><nav class="ui attached segment deemphasized bottomPane" id="neuron-tags-pane"><div><span class="ui basic label zettel-tag" title="Tag">shell</span></div></nav><nav class="ui bottom attached icon compact inverted menu blue" id="neuron-nav-bar"><!--replace-start-9--><!--replace-end-9--><a class="right item" href="impulse.html" title="Open Impulse"><i class="wave square icon"></i></a></nav></div></div><!--replace-end-6--><!--replace-end-3--><!--replace-end-2--><div class="ui center aligned container footer-version"><div class="ui tiny image"><a href="https://neuron.zettel.page"><img alt="logo" src="https://raw.githubusercontent.com/srid/neuron/master/assets/neuron.svg" title="Generated by Neuron 1.9.35.3" /></a></div></div></div></body></html> |