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Microsoft KB Archive/168635 - Revision history
2024-03-29T06:27:15Z
Revision history for this page on the wiki
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X010: Text replacement - """ to """
2020-07-21T10:03:51Z
<p>Text replacement - """ to """</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 10:03, 21 July 2020</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>C - case sensitivity<br /></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>C - case sensitivity<br /></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>E - end-of-line characters<br /></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>E - end-of-line characters<br /></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>S - small differences* (See explanation of the <del style="font-weight: bold; text-decoration: none;">&quot;</del>S<del style="font-weight: bold; text-decoration: none;">&quot; </del>switch below)<br /></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>S - small differences* (See explanation of the <ins style="font-weight: bold; text-decoration: none;">"</ins>S<ins style="font-weight: bold; text-decoration: none;">" </ins>switch below)<br /></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>W - white-space changes</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>W - white-space changes</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></div></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></div></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* Explanation of the <del style="font-weight: bold; text-decoration: none;">&quot;</del>S<del style="font-weight: bold; text-decoration: none;">&quot; </del>switch: The small differences switch <del style="font-weight: bold; text-decoration: none;">&quot;</del>S<del style="font-weight: bold; text-decoration: none;">&quot; </del>is misnamed. This option affects small similarities between files, not small differences.<br /></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Explanation of the <ins style="font-weight: bold; text-decoration: none;">"</ins>S<ins style="font-weight: bold; text-decoration: none;">" </ins>switch: The small differences switch <ins style="font-weight: bold; text-decoration: none;">"</ins>S<ins style="font-weight: bold; text-decoration: none;">" </ins>is misnamed. This option affects small similarities between files, not small differences.<br /></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><br /></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><br /></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>When you run a Show Differences (File) on two files, the diff algorithm tries to match up everything it can. Therefore, if you have two files with a lot of differences and a few similarities (both have some blank lines, or lines with curly braces only, etc.), performing a Show Difference (File) produces a diff file that shows a number of matching items amidst a larger set of differences. However, all you really have is a few random matches amidst a larger set of differences.<br /></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>When you run a Show Differences (File) on two files, the diff algorithm tries to match up everything it can. Therefore, if you have two files with a lot of differences and a few similarities (both have some blank lines, or lines with curly braces only, etc.), performing a Show Difference (File) produces a diff file that shows a number of matching items amidst a larger set of differences. However, all you really have is a few random matches amidst a larger set of differences.<br /></div></td></tr>
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https://www.betaarchive.com/wiki/index.php?title=Microsoft_KB_Archive/168635&diff=88356&oldid=prev
3155ffGd: importing KB archive
2020-07-18T15:34:06Z
<p>importing KB archive</p>
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= <span id="KB168635"></span>INFO: Explanation of Diff_Ignore =<br />
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Article ID: 168635<br />
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Article Last Modified on 5/4/2001<br />
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APPLIES TO<br /><br />
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* Microsoft Visual SourceSafe 4.0 Standard Edition<br />
* Microsoft Visual SourceSafe 4.0 Standard Edition<br />
* Microsoft Visual SourceSafe 4.0a<br />
* Microsoft Visual SourceSafe 4.0a<br />
* Microsoft Visual SourceSafe 5.0 Standard Edition<br />
* Microsoft Visual SourceSafe 6.0 Standard Edition<br />
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This article was previously published under Q168635<br />
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== SUMMARY ==<br />
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The Diff_Ignore entry controls the factors that are considered or ignored when you use the Show Differences (File) command on the Tools menu.<br />
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== MORE INFORMATION ==<br />
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The Visual SourceSafe Show Differences (File) command is used to display all the relevant changes to a file. The Diff_Ignore variable defines what is a relevant change. You can control the following four issues in this variable:<br />
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C - case sensitivity<br /><br />
E - end-of-line characters<br /><br />
S - small differences* (See explanation of the &quot;S&quot; switch below)<br /><br />
W - white-space changes<br />
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The arguments for the Diff_Ignore variable contain a list of these four letters with a dash after any variable that you don't want ignored. In the following example (also the default), E is the only letter that does not have a dash after it. As a result, end-of-line characters are the only items that will be ignored when two files are compared.<br /><br />
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The following example ignores end-of-line differences, and displays all others:<br />
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Diff_Ignore = c-es-w-<br />
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If you change the Diff_Ignore variable, as in the following example, then any differences in white space would be ignored and any differences in the end-of-line characters would not be ignored.<br /><br />
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The following example ignores white space differences, and displays all others:<br />
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Diff_Ignore = c-e-s-w<br />
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* Explanation of the &quot;S&quot; switch: The small differences switch &quot;S&quot; is misnamed. This option affects small similarities between files, not small differences.<br /><br />
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When you run a Show Differences (File) on two files, the diff algorithm tries to match up everything it can. Therefore, if you have two files with a lot of differences and a few similarities (both have some blank lines, or lines with curly braces only, etc.), performing a Show Difference (File) produces a diff file that shows a number of matching items amidst a larger set of differences. However, all you really have is a few random matches amidst a larger set of differences.<br /><br />
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Setting the Small Differences switch with a dash after it (Diff_Ignore=c-es- w) should cause the Show Differences (File) operation to ignore the spurious similarities between the files.<br /><br />
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The Small Differences switch doesn't really affect the output of the Show Differences (File) when you use the 'Visual' option, but it can make a huge difference when you are using the 'Unix' option.<br />
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== REFERENCES ==<br />
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Visual SourceSafe Help: Diff_Ignore<br />
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Keywords: kbinfo KB168635<br />
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