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<title>Preferences|Exclusions</title>
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<param name="Keyword" value="Filtering Rules">
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<h1>Preferences|Exclusions (Filtering Rules)</h1>
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<p>
From this dialog, you can specify multiple <b>filtering rules</b>. Line Counter examines these filters while scanning project files. Files matching any filter rule will not be counted. See below for details about constructing filters.
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<p>Filtering rules take precedence over the <a href="IDH_OPT_EXT.htm">extension inclusion list</a>.
<h2>Dialog Options</h2>
<h4>Insert</h4>
<p>
Prompts for an additional filter to add to the list.
</p>
<h4>Delete</h4>
<p>
Deletes the highlighted list item.
</p>
<h4>Undo/Redo</h4>
<p>
Undoes/Redoes the last operation.
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<h4>Clear All</h4>
<p>
Removes all the filters.
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<h2>Constructing Filters</h2>
<p>
A filter can be a file name a path or a project file, including <a href="wildcards.html">wildcards</a>. Filters are <b>checked against the end</b> of each file path. For example, the filter "<i>stdafx.h</i>" will disqualify "<i>d:\prj\myprj\stdafx.h</i>", but not "<i>d:\prj\myprj\stdafx.h\someotherfile.h</i>".
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<p>Here are a few samples of things you can do with filters:
<table cellspacing="0" cellpadding="3" border="1">
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<td>Filter</td>
<td>Explanation</td>
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<td>MyProject.dsp <font class="vcver">[VC6]</font><br>MyProject.vcproj <font class="vcver">[.NET]</font></td>
<td>Will not count any of the files in this project file.</td>
</tr>
</tr>
<td>Foo*.dsp <font class="vcver">[VC6]</font><br>Foo*.vcproj <font class="vcver">[.NET]</font></td>
<td>Will not count any files from any project who's name starts with <i>Foo</i>.</td>
</tr>
<tr>
<td>.rc?</td>
<td>Will not count files with the extension <i>rc?</i>. (This takes precedence over <a href="IDH_OPT_EXT.htm">Preferences|Extensions</a>)</td>
</tr>
<tr>
<td>*.rc?</td>
<td>Same as <i>.rc?</i>. The "*" is redundant since we're matching the end of the path.</td>
</tr>
<tr>
<td>\3rdParty\*</td>
<td>Will not count any files in subdirectories called <i>3rdParty<i>.</td>
</tr>
<td>Imports\*</td>
<td>Will not count any files in subdirectories who's name <b>ends with</b> <i>Import<i> (e.g. <i>3rdPartyImports</i>, <i>MyImports</i>).</td>
</tr>
</tr>
<td>\foo\*\bar\*</td>
<td>Will not count any files in <i>bar</i> directories that are sub-sub-directories of subdirectories named <i>foo</i>.</td>
</tr>
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</p>
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