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      <h1 class="p_Heading1"><span class="f_Heading1">Content Comparisons</span></h1>
<p class="p_Command2"><span class="f_Command2">Actions </span><span class="f_Command2">&gt;</span><span class="f_Command2"> Compare Contents</span></p>

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<p class="p_Normal">In the <span class="f_Command">Actions</span> menu, the <span class="f_Command">Compare Contents</span> <img width="16" height="16" style="margin:0;width:16px;height:16px;border:none" src="compare.png"/> command performs content comparisons on the selected pairs of files to determine if they match.</p>
<p class="p_Subtitle"><span class="f_Subtitle">Content comparison methods</span></p>
<p class="p_Normal"><span class="f_Command">CRC comparison</span> compares files using their CRC values.</p>
<p class="p_Normal"><span class="f_Command">Binary comparison</span> compares files byte-by-byte.</p>
<p class="p_Normal"><span class="f_Command">Rules-based comparison</span> compares files based on their <a href="file_formats.html" class="topiclink">file format</a> associations.  It allows you to define unimportant differences, such as changes in whitespace or source code comments.  A rules-based comparison can also ignore differences in file encoding or line endings.</p>
<p class="p_Subtitle"><span class="f_Subtitle">Results of content comparisons</span></p>
<p class="p_Normal">CRC and Binary comparisons return one of these results:</p>
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<td style="vertical-align:top; width:36px; padding:0px;"><p class="p_Normal"><img width="28" height="16" style="margin:0;width:28px;height:16px;border:none" src="contentsamebinary.png"/></p>
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<td style="vertical-align:top; width:140px; padding:0px;"><p class="p_Normal">Binary same</p>
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<td style="vertical-align:top; padding:0px;"><p class="p_Normal">The files are exactly the same.</p>
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<td style="vertical-align:top; width:36px; padding:0px;"><p class="p_Normal"><img width="28" height="16" style="margin:0;width:28px;height:16px;border:none" src="contentdifferentbinary.png"/></p>
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<td style="vertical-align:top; width:140px; padding:0px;"><p class="p_Normal">Binary differences</p>
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<td style="vertical-align:top; padding:0px;"><p class="p_Normal">At least one byte is different between the files.</p>
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<p class="p_Normal">Rules-based comparisons have a built-in binary comparison and return one of these results:</p>
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<td style="vertical-align:top; width:36px; padding:0px;"><p class="p_Normal"><img width="28" height="16" style="margin:0;width:28px;height:16px;border:none" src="contentsamebinary.png"/></p>
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<td style="vertical-align:top; width:140px; padding:0px;"><p class="p_Normal">Binary same</p>
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<td style="vertical-align:top; padding:0px;"><p class="p_Normal">The files are exactly the same.</p>
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<td style="vertical-align:top; width:36px; padding:0px;"><p class="p_Normal"><img width="28" height="16" style="margin:0;width:28px;height:16px;border:none" src="contentsame.png"/></p>
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<td style="vertical-align:top; width:140px; padding:0px;"><p class="p_Normal">Rules-based same</p>
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<td style="vertical-align:top; padding:0px;"><p class="p_Normal">The files have binary differences, such as character encoding, that can be ignored.</p>
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<td style="vertical-align:top; width:36px; padding:0px;"><p class="p_Normal"><img width="28" height="16" style="margin:0;width:28px;height:16px;border:none" src="contentsimilar.png"/></p>
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<td style="vertical-align:top; width:140px; padding:0px;"><p class="p_Normal">Unimportant differences</p>
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<td style="vertical-align:top; padding:0px;"><p class="p_Normal">A rules-based comparison found only unimportant differences.</p>
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<td style="vertical-align:top; width:36px; padding:0px;"><p class="p_Normal"><img width="28" height="16" style="margin:0;width:28px;height:16px;border:none" src="contentdifferent.png"/></p>
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<td style="vertical-align:top; width:140px; padding:0px;"><p class="p_Normal">Important differences</p>
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<td style="vertical-align:top; padding:0px;"><p class="p_Normal">A rules-based comparison found important differences.</p>
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<p class="p_Subtitle"><span class="f_Subtitle">When content comparisons are performed</span></p>
<p class="p_Normal">Content comparisons are performed:</p>
<p style="text-align: left; text-indent: 0px; padding: 0px 0px 0px 13px; margin: 3px 0px 14px 0px;"><span style="font-size:10pt; font-family: 'Arial Unicode MS','Lucida Sans Unicode','Arial';color:#000000;display:inline-block;width:13px;margin-left:-13px">&#8226;</span>when a folder session is loaded, and its session settings call for automatic content comparisons</p><p style="text-align: left; text-indent: 0px; padding: 0px 0px 0px 13px; margin: 3px 0px 14px 0px;"><span style="font-size:10pt; font-family: 'Arial Unicode MS','Lucida Sans Unicode','Arial';color:#000000;display:inline-block;width:13px;margin-left:-13px">&#8226;</span>explicitly, when the <span class="f_Command">Compare Contents</span> <img width="16" height="16" style="margin:0;width:16px;height:16px;border:none" src="compare.png"/> command is used</p><p style="text-align: left; text-indent: 0px; padding: 0px 0px 0px 13px; margin: 3px 0px 14px 0px;"><span style="font-size:10pt; font-family: 'Arial Unicode MS','Lucida Sans Unicode','Arial';color:#000000;display:inline-block;width:13px;margin-left:-13px">&#8226;</span>when a pair of files is opened in a file session</p>
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