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<title>dftest - The Wireshark Network Analyzer 1.6.7</title>
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<li><a href="#name">NAME</a></li>
<li><a href="#synopsis">SYNOPSIS</a></li>
<li><a href="#description">DESCRIPTION</a></li>
<li><a href="#options">OPTIONS</a></li>
<li><a href="#examples">EXAMPLES</a></li>
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<h1><a name="name">NAME</a></h1>
<p>dftest - Shows display filter byte-code, for debugging dfilter routines.</p>
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<h1><a name="synopsis">SYNOPSIS</a></h1>
<p><strong>dftest</strong>
[ <filter> ]</p>
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<h1><a name="description">DESCRIPTION</a></h1>
<p><strong>dftest</strong> is a simple tool which compiles a display filter and shows its bytecode.</p>
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<h1><a name="options">OPTIONS</a></h1>
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<dt><strong><a name="filter" class="item">filter</a></strong></dt>
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<p>The display filter expression. If needed it has to be quoted.</p>
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<h1><a name="examples">EXAMPLES</a></h1>
<p>Show how the IP protocol is filtered:</p>
<pre>
dftest ip</pre>
<p>Shows how frame 150 is filtered:</p>
<pre>
dftest "frame.number == 150"</pre>
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<h1><a name="see_also">SEE ALSO</a></h1>
<p>wireshark-filter(4)</p>
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