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Next: <a href="Creating-Packages.html#Creating-Packages" accesskey="n" rel="next">Creating Packages</a>, Previous: <a href="Using-Packages.html#Using-Packages" accesskey="p" rel="prev">Using Packages</a>, Up: <a href="Packages.html#Packages" accesskey="u" rel="up">Packages</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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<a name="Administrating-Packages-1"></a>
<h3 class="section">37.3 Administrating Packages</h3>
<p>On UNIX-like systems it is possible to make both per-user and
system-wide installations of a package. If the user performing the
installation is <code>root</code> the packages will be installed in a
system-wide directory that defaults to
<samp>OCTAVE_HOME/share/octave/packages/</samp>. If the user is not
<code>root</code> the default installation directory is
<samp>~/octave/</samp>. Packages will be installed in a subdirectory of the
installation directory that will be named after the package. It is
possible to change the installation directory by using the
<code>pkg prefix</code> command
</p>
<div class="example">
<pre class="example">pkg prefix new_installation_directory
</pre></div>
<p>The current installation directory can be retrieved by typing
</p>
<div class="example">
<pre class="example">current_installation_directory = pkg ("prefix")
</pre></div>
<p>To function properly the package manager needs to keep some
information about the installed packages. For per-user packages this
information is by default stored in the file <samp>~/.octave_packages</samp>
and for system-wide installations it is stored in
<samp>OCTAVE_HOME/share/octave/octave_packages</samp>. The path to the
per-user file can be changed with the <code>pkg local_list</code> command
</p>
<div class="example">
<pre class="example">pkg local_list /path/to/new_file
</pre></div>
<p>For system-wide installations this can be changed in the same way
using the <code>pkg global_list</code> command. If these commands are
called without a new path, the current path will be returned.
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