https://wiki.iwillfearnoevil.com/mediawiki/index.php?action=history&feed=atom&title=Bash-remove-n-match
Bash-remove-n-match - Revision history
2026-05-08T16:56:14Z
Revision history for this page on the wiki
MediaWiki 1.39.2
https://wiki.iwillfearnoevil.com/mediawiki/index.php?title=Bash-remove-n-match&diff=261&oldid=prev
Chubbard at 02:25, 18 May 2023
2023-05-18T02:25:19Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:25, 17 May 2023</td>
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Chubbard
https://wiki.iwillfearnoevil.com/mediawiki/index.php?title=Bash-remove-n-match&diff=96&oldid=prev
Chubbard at 17:13, 17 November 2021
2021-11-17T17:13:28Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 10:13, 17 November 2021</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><pre></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><pre></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>input text1.txt:</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>input text1.txt <ins style="font-weight: bold; text-decoration: none;">has</ins>:</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>hi 1</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>hi 1</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><pre></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><pre></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>awk '!/hi/||++n>4'</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>awk '!/hi/||++n>4'</div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">Possible alternate that would still require some work:</ins></div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">count=4 awk -e '</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;"> /hi [[:digit:]]+/ && s++ < ENVIRON["count"] { next };</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;"> {print};</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">' << EOT </ins></div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">hi 2</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">hi 3</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">hi 4</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">hi 5</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">hello</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">EOT</ins></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></pre></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></pre></div></td></tr>
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Chubbard
https://wiki.iwillfearnoevil.com/mediawiki/index.php?title=Bash-remove-n-match&diff=95&oldid=prev
Chubbard: Created page with "Really unique problem and resolution using awk found in reddit. [https://www.reddit.com/r/bash/comments/qva5bm/delete_n_occurrence_of_a_pattern/?%24deep_link=true&correlation_..."
2021-11-17T17:11:57Z
<p>Created page with "Really unique problem and resolution using awk found in reddit. [https://www.reddit.com/r/bash/comments/qva5bm/delete_n_occurrence_of_a_pattern/?%24deep_link=true&correlation_..."</p>
<p><b>New page</b></p><div>Really unique problem and resolution using awk found in reddit.<br />
[https://www.reddit.com/r/bash/comments/qva5bm/delete_n_occurrence_of_a_pattern/?%24deep_link=true&correlation_id=7aeb97cf-6746-40d3-b680-ca9357fd490e&post_fullname=t3_qva5bm&post_index=1&ref=email_digest&ref_campaign=email_digest&ref_source=email&utm_content=post_title&%243p=e_as&_branch_match_id=885239517477452067&utm_medium=Email%20Amazon%20SES&_branch_referrer=H4sIAAAAAAAAA22Q3U6EMBCFnwbv%2BJGyICYbY2J8jcnQDtBY2toO4uM7uO6dSZuefCfnzKQrc8zPdZ3IGMsVxlg56z9qFV%2BKtlPxSoD5QWRIdrEeHezJXdczVajXon2XcxxH9ZfXYROQ5E6YV3kEbOQ5i%2Fz8wst02oYcMYGHoPWeEnlNEGZAiMhMyZ%2BtSoo7QxThXKdQb5x2KtpeBwk4ZBs8WCN8QJrGQc9lP3R92TVGlVP%2F1JQaR3UZZtONzZmLITPMu3MeNzrrFNz3uXnWG%2FoW41FAolkUbWgdGLtQ5hsEjVtEu%2Fj%2F3Rz2pOnuCdx5Ax08ywcI%2FR3Dlh39ALCNvhB1AQAA|source]<br />
<br />
<br />
<pre><br />
input text1.txt:<br />
hi 1<br />
hi 2<br />
hi 3<br />
hi 4<br />
hi 5<br />
hello<br />
<br />
I want to delete 4 lines containing 'hi'<br />
wanted output:<br />
<br />
hi 5<br />
hello<br />
</pre><br />
<br />
Unique answer:<br />
<pre><br />
awk '!/hi/||++n>4'<br />
</pre></div>
Chubbard