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<title>GNU Octave: File Archiving Utilities</title>
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<a name="File-Archiving-Utilities"></a>
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<p>
Next: <a href="Networking-Utilities.html#Networking-Utilities" accesskey="n" rel="next">Networking Utilities</a>, Previous: <a href="Filesystem-Utilities.html#Filesystem-Utilities" accesskey="p" rel="prev">Filesystem Utilities</a>, Up: <a href="System-Utilities.html#System-Utilities" accesskey="u" rel="up">System Utilities</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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<hr>
<a name="File-Archiving-Utilities-1"></a>
<h3 class="section">36.3 File Archiving Utilities</h3>
<a name="XREFbunzip2"></a><dl>
<dt><a name="index-bunzip2"></a>Function File: <em></em> <strong>bunzip2</strong> <em>(<var>bzfile</var>)</em></dt>
<dt><a name="index-bunzip2-1"></a>Function File: <em></em> <strong>bunzip2</strong> <em>(<var>bzfile</var>, <var>dir</var>)</em></dt>
<dd><p>Unpack the bzip2 archive <var>bzfile</var> to the directory <var>dir</var>. If
<var>dir</var> is not specified, it defaults to the current directory.
</p>
<p><strong>See also:</strong> <a href="#XREFbzip2">bzip2</a>, <a href="#XREFunpack">unpack</a>, <a href="#XREFgunzip">gunzip</a>, <a href="#XREFunzip">unzip</a>, <a href="#XREFuntar">untar</a>.
</p></dd></dl>
<a name="XREFgzip"></a><dl>
<dt><a name="index-gzip"></a>Function File: <em><var>entries</var> =</em> <strong>gzip</strong> <em>(<var>files</var>)</em></dt>
<dt><a name="index-gzip-1"></a>Function File: <em><var>entries</var> =</em> <strong>gzip</strong> <em>(<var>files</var>, <var>outdir</var>)</em></dt>
<dd><p>Compress the list of files and/or directories specified in <var>files</var>.
Each file is compressed separately and a new file with a <samp>".gz"</samp>
extension is created. The original files are not modified. Existing
compressed files are silently overwritten. If <var>outdir</var> is defined the
compressed files are placed in this directory.
</p>
<p><strong>See also:</strong> <a href="#XREFgunzip">gunzip</a>, <a href="#XREFbzip2">bzip2</a>, <a href="#XREFzip">zip</a>, <a href="#XREFtar">tar</a>.
</p></dd></dl>
<a name="XREFgunzip"></a><dl>
<dt><a name="index-gunzip"></a>Function File: <em></em> <strong>gunzip</strong> <em>(<var>gzfile</var>, <var>dir</var>)</em></dt>
<dd><p>Unpack the gzip archive <var>gzfile</var> to the directory <var>dir</var>. If
<var>dir</var> is not specified, it defaults to the current directory. If
<var>gzfile</var> is a directory, all gzfiles in the directory will be
recursively gunzipped.
</p>
<p><strong>See also:</strong> <a href="#XREFgzip">gzip</a>, <a href="#XREFunpack">unpack</a>, <a href="#XREFbunzip2">bunzip2</a>, <a href="#XREFunzip">unzip</a>, <a href="#XREFuntar">untar</a>.
</p></dd></dl>
<a name="XREFtar"></a><dl>
<dt><a name="index-tar"></a>Function File: <em><var>entries</var> =</em> <strong>tar</strong> <em>(<var>tarfile</var>, <var>files</var>)</em></dt>
<dt><a name="index-tar-1"></a>Function File: <em><var>entries</var> =</em> <strong>tar</strong> <em>(<var>tarfile</var>, <var>files</var>, <var>root</var>)</em></dt>
<dd><p>Pack <var>files</var> <var>files</var> into the TAR archive <var>tarfile</var>. The
list of files must be a string or a cell array of strings.
</p>
<p>The optional argument <var>root</var> changes the relative path of <var>files</var>
from the current directory.
</p>
<p>If an output argument is requested the entries in the archive are
returned in a cell array.
</p>
<p><strong>See also:</strong> <a href="#XREFuntar">untar</a>, <a href="#XREFbzip2">bzip2</a>, <a href="#XREFgzip">gzip</a>, <a href="#XREFzip">zip</a>.
</p></dd></dl>
<a name="XREFuntar"></a><dl>
<dt><a name="index-untar"></a>Function File: <em></em> <strong>untar</strong> <em>(<var>tarfile</var>)</em></dt>
<dt><a name="index-untar-1"></a>Function File: <em></em> <strong>untar</strong> <em>(<var>tarfile</var>, <var>dir</var>)</em></dt>
<dd><p>Unpack the TAR archive <var>tarfile</var> to the directory <var>dir</var>.
If <var>dir</var> is not specified, it defaults to the current directory.
</p>
<p><strong>See also:</strong> <a href="#XREFtar">tar</a>, <a href="#XREFunpack">unpack</a>, <a href="#XREFbunzip2">bunzip2</a>, <a href="#XREFgunzip">gunzip</a>, <a href="#XREFunzip">unzip</a>.
</p></dd></dl>
<a name="XREFzip"></a><dl>
<dt><a name="index-zip"></a>Function File: <em><var>entries</var> =</em> <strong>zip</strong> <em>(<var>zipfile</var>, <var>files</var>)</em></dt>
<dt><a name="index-zip-1"></a>Function File: <em><var>entries</var> =</em> <strong>zip</strong> <em>(<var>zipfile</var>, <var>files</var>, <var>rootdir</var>)</em></dt>
<dd><p>Compress the list of files and/or directories specified in <var>files</var>
into the archive <var>zipfile</var> in the same directory. If <var>rootdir</var>
is defined the <var>files</var> are located relative to <var>rootdir</var> rather
than the current directory.
</p>
<p><strong>See also:</strong> <a href="#XREFunzip">unzip</a>, <a href="#XREFbzip2">bzip2</a>, <a href="#XREFgzip">gzip</a>, <a href="#XREFtar">tar</a>.
</p></dd></dl>
<a name="XREFunzip"></a><dl>
<dt><a name="index-unzip"></a>Function File: <em></em> <strong>unzip</strong> <em>(<var>zipfile</var>)</em></dt>
<dt><a name="index-unzip-1"></a>Function File: <em></em> <strong>unzip</strong> <em>(<var>zipfile</var>, <var>dir</var>)</em></dt>
<dd><p>Unpack the ZIP archive <var>zipfile</var> to the directory <var>dir</var>.
If <var>dir</var> is not specified, it defaults to the current directory.
</p>
<p><strong>See also:</strong> <a href="#XREFzip">zip</a>, <a href="#XREFunpack">unpack</a>, <a href="#XREFbunzip2">bunzip2</a>, <a href="#XREFgunzip">gunzip</a>, <a href="#XREFuntar">untar</a>.
</p></dd></dl>
<a name="XREFunpack"></a><dl>
<dt><a name="index-unpack"></a>Function File: <em><var>files</var> =</em> <strong>unpack</strong> <em>(<var>file</var>)</em></dt>
<dt><a name="index-unpack-1"></a>Function File: <em><var>files</var> =</em> <strong>unpack</strong> <em>(<var>file</var>, <var>dir</var>)</em></dt>
<dt><a name="index-unpack-2"></a>Function File: <em><var>files</var> =</em> <strong>unpack</strong> <em>(<var>file</var>, <var>dir</var>, <var>filetype</var>)</em></dt>
<dd><p>Unpack the archive <var>file</var> based on its extension to the directory
<var>dir</var>. If <var>file</var> is a list of strings, then each file is
unpacked individually. If <var>dir</var> is not specified, it defaults to
the current directory. If a directory is in the file list, then the
<var>filetype</var> must also be specified.
</p>
<p>The optional return value is a list of <var>files</var> unpacked.
</p>
<p><strong>See also:</strong> <a href="#XREFbzip2">bzip2</a>, <a href="#XREFgzip">gzip</a>, <a href="#XREFzip">zip</a>, <a href="#XREFtar">tar</a>.
</p></dd></dl>
<a name="XREFbzip2"></a><dl>
<dt><a name="index-bzip2"></a>Function File: <em><var>entries</var> =</em> <strong>bzip2</strong> <em>(<var>files</var>)</em></dt>
<dt><a name="index-bzip2-1"></a>Function File: <em><var>entries</var> =</em> <strong>bzip2</strong> <em>(<var>files</var>, <var>outdir</var>)</em></dt>
<dd><p>Compress the list of files specified in <var>files</var>.
Each file is compressed separately and a new file with a <samp>".bz2"</samp>
extension is created. The original files are not modified. Existing
compressed files are silently overwritten. If <var>outdir</var> is defined the
compressed files are placed in this directory.
</p>
<p><strong>See also:</strong> <a href="#XREFbunzip2">bunzip2</a>, <a href="#XREFgzip">gzip</a>, <a href="#XREFzip">zip</a>, <a href="#XREFtar">tar</a>.
</p></dd></dl>
<hr>
<div class="header">
<p>
Next: <a href="Networking-Utilities.html#Networking-Utilities" accesskey="n" rel="next">Networking Utilities</a>, Previous: <a href="Filesystem-Utilities.html#Filesystem-Utilities" accesskey="p" rel="prev">Filesystem Utilities</a>, Up: <a href="System-Utilities.html#System-Utilities" accesskey="u" rel="up">System Utilities</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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