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<h1><a class="anchor" id="sec_pluglocations"></a>
Plugin Locations</h1>
<p>For Unix platforms there are rules for the location of frei0r plugins.</p>
<p>frei0r 1.x plugin files should be located in</p>
<ul>
<li>(1) /usr/lib/frei0r-1/&lt;vendor&gt;</li>
<li>(2) /usr/local/lib/frei0r-1/&lt;vendor&gt;</li>
<li>(3) $HOME/.frei0r-1/lib/&lt;vendor&gt;</li>
</ul>
<p>Examples:</p>
<ul>
<li>/usr/lib/frei0r-1/mob/flippo.so</li>
<li>/usr/lib/frei0r-1/drone/flippo.so</li>
<li>/usr/local/lib/frei0r-1/gephex/coma/invert0r.so</li>
<li>/home/martin/.frei0r-1/lib/martin/test.so</li>
</ul>
<p>Like in these examples plugins should be placed in "vendor" subdirs to reduce name clashes. However, &lt;vendor&gt; is optional and may be left blank.</p>
<h2><a class="anchor" id="sec_order"></a>
Plugin Loading Order</h2>
<p>The application shall load plugins in the following order: 3, 2, 1. If a name clash occurs (two or more frei0r plugins with identical effect name), the plugins in directory 3 have precedence over plugins in directory 2, and those in directory 2 have precedence over plugins in directory 1.</p>
<p>This makes it possible for users to "override" effects that are installed in system wide directories by placing plugins in their home directory.</p>
<p>The order of loading plugins inside each of the directories 1, 2, and 3 is not defined.</p>
<h2><a class="anchor" id="sec_path"></a>
FREI0R_PATH Environment Variable</h2>
<p>If the environment variable FREI0R_PATH is defined, then it shall be considered a colon separated list of directories which replaces the default list.</p>
<p>For example:</p>
<p>FREI0R_PATH=/home/foo/frei0r-plugins:/usr/lib/frei0r-1:/etc/frei0r</p>
<p>On Windows platforms a semicolon ';' must be used instead of colon ':' to separate FREI0R_PATH entries (due to the way filenames are interpreted), hence a cross-platform host application should detect the platform running and adjust the parsed char accordingly, for example:</p>
<p>FREI0R_PATH=C: Files-1;%PROGRAMFILES%-1 </p>
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