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<title>npm-cache</title>
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<h1><a href="../cli/npm-cache.html">npm-cache</a></h1> <p>Manipulates packages cache</p>
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<h2 id="SYNOPSIS">SYNOPSIS</h2>
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<pre><code>npm cache add <tarball file>
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npm cache add <folder>
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npm cache add <tarball url>
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npm cache add <name>@<version>
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npm cache ls [<path>]
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npm cache clean [<path>]</code></pre>
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<h2 id="DESCRIPTION">DESCRIPTION</h2>
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<p>Used to add, list, or clear the npm cache folder.</p>
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<ul><li><p>add:
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Add the specified package to the local cache. This command is primarily
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intended to be used internally by npm, but it can provide a way to
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add data to the local installation cache explicitly.</p></li><li><p>ls:
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Show the data in the cache. Argument is a path to show in the cache
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folder. Works a bit like the <code>find</code> program, but limited by the
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<code>depth</code> config.</p></li><li><p>clean:
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Delete data out of the cache folder. If an argument is provided, then
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it specifies a subpath to delete. If no argument is provided, then
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the entire cache is cleared.</p></li></ul>
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<h2 id="DETAILS">DETAILS</h2>
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<p>npm stores cache data in the directory specified in <code>npm config get cache</code>.
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For each package that is added to the cache, three pieces of information are
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stored in <code>{cache}/{name}/{version}</code>:</p>
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<ul><li>.../package/:
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A folder containing the package contents as they appear in the tarball.</li><li>.../package.json:
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The package.json file, as npm sees it, with overlays applied and a _id attribute.</li><li>.../package.tgz:
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The tarball for that version.</li></ul>
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<p>Additionally, whenever a registry request is made, a <code>.cache.json</code> file
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is placed at the corresponding URI, to store the ETag and the requested
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data.</p>
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<p>Commands that make non-essential registry requests (such as <code>search</code> and
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<code>view</code>, or the completion scripts) generally specify a minimum timeout.
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If the <code>.cache.json</code> file is younger than the specified timeout, then
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they do not make an HTTP request to the registry.</p>
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<h2 id="CONFIGURATION">CONFIGURATION</h2>
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<h3 id="cache">cache</h3>
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<p>Default: <code>~/.npm</code> on Posix, or <code>%AppData%/npm-cache</code> on Windows.</p>
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<p>The root cache folder.</p>
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<h2 id="SEE-ALSO">SEE ALSO</h2>
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<ul><li><a href="../files/npm-folders.html">npm-folders(5)</a></li><li><a href="../cli/npm-config.html">npm-config(1)</a></li><li><a href="../misc/npm-config.html">npm-config(7)</a></li><li><a href="../files/npmrc.html">npmrc(5)</a></li><li><a href="../cli/npm-install.html">npm-install(1)</a></li><li><a href="../cli/npm-publish.html">npm-publish(1)</a></li><li><a href="../cli/npm-pack.html">npm-pack(1)</a></li></ul>
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</div>
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<p id="footer">npm-cache — npm@1.3.24</p>
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<script>
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