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<a aria-hidden="true" tabindex="-1" href="#sed-备忘清单"><span class="icon icon-link"></span></a>Sed 备忘清单</h1><div class="wrap-body">
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<p>Sed 是一个流编辑器，此 Sed 备忘清单包含 Sed 命令和一些常见的 Sed 技巧。</p>
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</div></header><div class="menu-tocs"><div class="menu-btn"><svg aria-hidden="true" fill="currentColor" height="1em" width="1em" viewBox="0 0 16 16" version="1.1" data-view-component="true">
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</svg></div><div class="menu-modal"><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#入门">入门</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#sed-用法">Sed 用法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#选项示例">选项示例</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#多个命令">多个命令</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#sed-脚本">Sed 脚本</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#examples">Examples</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#sed-命令">Sed 命令</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#命令">命令</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#空间命令">空间命令</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#flags">Flags</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#循环命令">循环命令</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#杂项标志">杂项标志</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#sed-示例">Sed 示例</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#替换文本">替换文本</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#搜索文本">搜索文本</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#追加行">追加行</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#编号">编号</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#前置行">前置行</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#删除行">删除行</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#文件间距">文件间距</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#另见">另见</a></div></div><div class="h1wrap-body"><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="入门"><a aria-hidden="true" tabindex="-1" href="#入门"><span class="icon icon-link"></span></a>入门</h2><div class="wrap-body">
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</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="sed-用法"><a aria-hidden="true" tabindex="-1" href="#sed-用法"><span class="icon icon-link"></span></a>Sed 用法</h3><div class="wrap-body">
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<p>语法</p>
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<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token punctuation">[</span>options<span class="token punctuation">]</span> <span class="token builtin class-name">command</span> <span class="token punctuation">[</span>input-file<span class="token punctuation">]</span>
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</span></code></pre>
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<p>带管道</p>
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<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">cat</span> report.txt <span class="token operator">|</span> <span class="token function">sed</span> <span class="token string">'s/Nick/John/g'</span>
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</span></code></pre>
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<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token builtin class-name">echo</span> <span class="token string">'123abc'</span> <span class="token operator">|</span> <span class="token function">sed</span> <span class="token string">'s/[0-9]+//g'</span>
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</span></code></pre>
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</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="选项示例"><a aria-hidden="true" tabindex="-1" href="#选项示例"><span class="icon icon-link"></span></a>选项示例</h3><div class="wrap-body">
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<table class="show-header"><thead><tr><th>参数</th><th>示例</th><th>描述</th></tr></thead><tbody><tr><td><code>-i</code></td><td>sed -ibak 's/On/Off/' php.ini</td><td>直接备份和修改输入文件</td></tr><tr><td><code>-E</code></td><td>sed -E 's/[0-9]+//g' input-file</td><td>使用扩展正则表达式</td></tr><tr><td><code>-n</code></td><td>sed -n '3 p' config.conf</td><td>禁止默认图案空间打印</td></tr><tr><td><code>-f</code></td><td>sed -f script.sed config.conf</td><td>执行 sed 脚本文件</td></tr><tr><td><code>-e</code></td><td>sed -e 'command1' -e 'command2' input-file</td><td>执行多个 sed 命令</td></tr></tbody></table>
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<!--rehype:className=show-header-->
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</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="多个命令"><a aria-hidden="true" tabindex="-1" href="#多个命令"><span class="icon icon-link"></span></a>多个命令</h3><div class="wrap-body">
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<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token builtin class-name">echo</span> <span class="token string">"hello world"</span> <span class="token operator">|</span> <span class="token function">sed</span> <span class="token parameter variable">-e</span> <span class="token string">'s/h/H/g'</span> <span class="token parameter variable">-e</span> <span class="token string">'s/w/W/g'</span>
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</span><span class="code-line">Hello World
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</span></code></pre>
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<p>使用 <code>-e</code> 执行多个 sed 命令</p>
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</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="sed-脚本"><a aria-hidden="true" tabindex="-1" href="#sed-脚本"><span class="icon icon-link"></span></a>Sed 脚本</h3><div class="wrap-body">
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<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token builtin class-name">echo</span> <span class="token string">'s/h/H/g'</span> <span class="token operator">>></span> hello.sed
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</span><span class="code-line">$ <span class="token builtin class-name">echo</span> <span class="token string">'s/w/W/g'</span> <span class="token operator">>></span> hello.sed
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</span><span class="code-line">$ <span class="token builtin class-name">echo</span> <span class="token string">"hello world"</span> <span class="token operator">|</span> <span class="token function">sed</span> <span class="token parameter variable">-f</span> hello.sed
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</span><span class="code-line">Hello World
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</span></code></pre>
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<p>使用 <code>-f</code> 执行 sed 脚本文件</p>
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</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="examples"><a aria-hidden="true" tabindex="-1" href="#examples"><span class="icon icon-link"></span></a>Examples</h3><div class="wrap-body">
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<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/old/new/g'</span> file.txt
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</span><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/old/new/g'</span> file.txt <span class="token operator">></span> new.txt
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</span><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/old/new/g'</span> <span class="token parameter variable">-i</span> file.txt
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</span><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/old/new/g'</span> <span class="token parameter variable">-i.backup</span> file.txt
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</span></code></pre>
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</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="sed-命令"><a aria-hidden="true" tabindex="-1" href="#sed-命令"><span class="icon icon-link"></span></a>Sed 命令</h2><div class="wrap-body">
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</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="命令"><a aria-hidden="true" tabindex="-1" href="#命令"><span class="icon icon-link"></span></a>命令</h3><div class="wrap-body">
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<table class="show-header"><thead><tr><th align="left">命令</th><th align="left">示例</th><th align="left">描述</th></tr></thead><tbody><tr><td align="left"><code>p</code></td><td align="left">sed -n '1,4 p' input.txt</td><td align="left">打印第 1-4 行</td></tr><tr><td align="left"><code>p</code></td><td align="left">sed -n -e '1,4 p' -e '6,7 p' input.txt</td><td align="left">打印第 1-4 行和第 6-7 行</td></tr><tr><td align="left"><code>d</code></td><td align="left">sed '1,4 d' input.txt</td><td align="left">打印除 1-4 之外的行</td></tr><tr><td align="left"><code>w</code></td><td align="left">sed -n '1,4 w output.txt' input.txt</td><td align="left">将模式空间写入文件</td></tr><tr><td align="left"><code>a</code></td><td align="left">sed '2 a new-line' input.txt</td><td align="left">在后面追加一行</td></tr><tr><td align="left"><code>i</code></td><td align="left">sed '2 i new-line' input.txt</td><td align="left">在前面插入行</td></tr></tbody></table>
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<!--rehype:className=show-header-->
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</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="空间命令"><a aria-hidden="true" tabindex="-1" href="#空间命令"><span class="icon icon-link"></span></a>空间命令</h3><div class="wrap-body">
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<table><thead><tr><th align="left">命令</th><th align="left">描述</th></tr></thead><tbody><tr><td align="left"><code>n</code></td><td align="left">打印模式空间，空模式空间，读取下一行</td></tr><tr><td align="left"><code>x</code></td><td align="left">用保持空间交换模式空间</td></tr><tr><td align="left"><code>h</code></td><td align="left">复制模式空间以保持空间</td></tr><tr><td align="left"><code>H</code></td><td align="left">追加模式空间以保持空间</td></tr><tr><td align="left"><code>g</code></td><td align="left">将保持空间复制到模式空间</td></tr><tr><td align="left"><code>G</code></td><td align="left">将保持空间附加到模式空间</td></tr></tbody></table>
|
||
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="flags"><a aria-hidden="true" tabindex="-1" href="#flags"><span class="icon icon-link"></span></a>Flags</h3><div class="wrap-body">
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/old/new/[flags]'</span> <span class="token punctuation">[</span>input-file<span class="token punctuation">]</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
|
||
|
||
|
||
|
||
|
||
|
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|
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|
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|
||
<table><thead><tr><th>Flag</th><th>Description</th></tr></thead><tbody><tr><td><code>g</code></td><td>全球替代</td></tr><tr><td><code>1,2...</code></td><td>替换第 n 次出现</td></tr><tr><td><code>p</code></td><td>仅打印替换的行</td></tr><tr><td><code>w</code></td><td>仅将替换的行写入文件</td></tr><tr><td><code>I</code></td><td>搜索时忽略大小写</td></tr><tr><td><code>e</code></td><td>在命令行中替换并执行</td></tr></tbody></table>
|
||
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="循环命令"><a aria-hidden="true" tabindex="-1" href="#循环命令"><span class="icon icon-link"></span></a>循环命令</h3><div class="wrap-body">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
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|
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|
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|
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|
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|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<table><thead><tr><th>Command</th><th>Description</th></tr></thead><tbody><tr><td><code>b label</code></td><td>分支到标签（用于循环）</td></tr><tr><td><code>t label</code></td><td>仅在成功替换时分支到标签（用于循环）</td></tr><tr><td><code>:label</code></td><td>b 和 t 命令的标签（用于循环）</td></tr><tr><td><code>N</code></td><td>将下一行追加到模式空间</td></tr><tr><td><code>P</code></td><td>多行打印第一行</td></tr><tr><td><code>D</code></td><td>删除多行中的第一行</td></tr></tbody></table>
|
||
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="杂项标志"><a aria-hidden="true" tabindex="-1" href="#杂项标志"><span class="icon icon-link"></span></a>杂项标志</h3><div class="wrap-body">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<table><thead><tr><th>Flag</th><th>Description</th></tr></thead><tbody><tr><td><code>/ | ^ @ ! #</code></td><td>替换分隔符可以是任何字符</td></tr><tr><td><code>&</code></td><td>获取匹配的模式</td></tr><tr><td><code>( ) \1 \2 \3</code></td><td>使用 <code>(</code> 和 <code>)</code> 进行分组。<br>使用 <code>\1</code>、<code>\2</code> 替换来引用组</td></tr></tbody></table>
|
||
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="sed-示例"><a aria-hidden="true" tabindex="-1" href="#sed-示例"><span class="icon icon-link"></span></a>Sed 示例</h2><div class="wrap-body">
|
||
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="替换文本"><a aria-hidden="true" tabindex="-1" href="#替换文本"><span class="icon icon-link"></span></a>替换文本</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=row-span-2-->
|
||
<p>替换所有出现的字符串</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/old/new/g'</span> file.txt
|
||
</span></code></pre>
|
||
<p>仅替换第 n 次出现的字符串</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/old/new/2'</span> file.txt
|
||
</span></code></pre>
|
||
<p>仅在第 5 行替换替换字符串</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'5 s/old/new/'</span> file.txt
|
||
</span></code></pre>
|
||
<p>将“world”替换为“universe”，但前提是该行以“hello”开头</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/hello/s/world/universe/'</span> file.txt
|
||
</span></code></pre>
|
||
<p>从每行的末尾删除“\”</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/\\$//'</span> file.txt
|
||
</span></code></pre>
|
||
<p>删除每行开头的所有空格</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/^\s*//'</span> file.txt
|
||
</span></code></pre>
|
||
<p>删除评论。 即使是那些在行尾的</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'s/#.*$//'</span> file.txt
|
||
</span></code></pre>
|
||
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="搜索文本"><a aria-hidden="true" tabindex="-1" href="#搜索文本"><span class="icon icon-link"></span></a>搜索文本</h3><div class="wrap-body">
|
||
<p>搜索字符串并仅打印匹配的行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token parameter variable">-n</span> <span class="token string">'/hello/p'</span> file.txt
|
||
</span></code></pre>
|
||
<p>不区分大小写的搜索</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token parameter variable">-n</span> <span class="token string">'/hello/Ip'</span> file.txt
|
||
</span></code></pre>
|
||
<p>搜索字符串，但仅输出不匹配的行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token parameter variable">-n</span> <span class="token string">'/hello/!p'</span> file.txt
|
||
</span></code></pre>
|
||
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="追加行"><a aria-hidden="true" tabindex="-1" href="#追加行"><span class="icon icon-link"></span></a>追加行</h3><div class="wrap-body">
|
||
<p>在第 2 行之后追加一行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'2a Text after line 2'</span> file.txt
|
||
</span></code></pre>
|
||
<p>在文件末尾追加一行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'$a THE END!'</span> file.txt
|
||
</span></code></pre>
|
||
<p>从第 3 行开始，每 3 行后追加一行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'3~3a Some text'</span> file.txt
|
||
</span></code></pre>
|
||
</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="编号"><a aria-hidden="true" tabindex="-1" href="#编号"><span class="icon icon-link"></span></a>编号</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=col-span-2-->
|
||
<p>文件的数字行（简单的左对齐）</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token operator">=</span> file.txt <span class="token operator">|</span> <span class="token function">sed</span> <span class="token string">'N;s/\n/\t/'</span>
|
||
</span></code></pre>
|
||
<p>文件的数字行（数字在左，右对齐）</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token operator">=</span> file.txt <span class="token operator">|</span> <span class="token function">sed</span> <span class="token string">'N; s/^/ /; s/ *\(.\{6,\}\)\n/\1 /'</span>
|
||
</span></code></pre>
|
||
<p>文件的数字行，但如果行不为空，则仅打印数字</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/./='</span> file.txt <span class="token operator">|</span> <span class="token function">sed</span> <span class="token string">'/./N; s/\n/ /'</span>
|
||
</span></code></pre>
|
||
<p>计算行数（模拟“wc -l”）</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token parameter variable">-n</span> <span class="token string">'$='</span>
|
||
</span></code></pre>
|
||
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="前置行"><a aria-hidden="true" tabindex="-1" href="#前置行"><span class="icon icon-link"></span></a>前置行</h3><div class="wrap-body">
|
||
<p>在第 5 行之前插入文本</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'5i line number five'</span> file.txt
|
||
</span></code></pre>
|
||
<p>在包含“hello”的每一行之前插入“示例：”</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/hello/i Example: '</span> file.txt
|
||
</span></code></pre>
|
||
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="删除行"><a aria-hidden="true" tabindex="-1" href="#删除行"><span class="icon icon-link"></span></a>删除行</h3><div class="wrap-body">
|
||
<p>删除文件中的第 5-7 行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'5,7d'</span> file.txt
|
||
</span></code></pre>
|
||
<p>删除从第 3 行开始的每 2 行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'3~2d'</span> file.txt
|
||
</span></code></pre>
|
||
<p>删除文件的最后一行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'$d'</span> file.txt
|
||
</span></code></pre>
|
||
<p>删除以“Hello”开头的行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/^Hello/d'</span> file.txt
|
||
</span></code></pre>
|
||
<p>删除所有空行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/^$/d'</span> file.txt
|
||
</span></code></pre>
|
||
<p>删除以“#”开头的行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/^#/d'</span> file.txt
|
||
</span></code></pre>
|
||
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="文件间距"><a aria-hidden="true" tabindex="-1" href="#文件间距"><span class="icon icon-link"></span></a>文件间距</h3><div class="wrap-body">
|
||
<p>双倍行距</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> G
|
||
</span></code></pre>
|
||
<p>删除所有空行和双空格</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/^$/d;G'</span>
|
||
</span></code></pre>
|
||
<p>三倍空间文件</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'G;G'</span>
|
||
</span></code></pre>
|
||
<p>撤消双倍行距</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'n;d'</span>
|
||
</span></code></pre>
|
||
<p>在匹配“正则表达式”的行上方插入一个空行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/regex/{x;p;x;}'</span>
|
||
</span></code></pre>
|
||
<p>在匹配“正则表达式”的行下方插入一个空行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/regex/G'</span>
|
||
</span></code></pre>
|
||
<p>在匹配“正则表达式”的行周围插入一个空行</p>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">sed</span> <span class="token string">'/regex/{x;p;x;G;}'</span>
|
||
</span></code></pre>
|
||
</div></div></div></div></div><div class="wrap h2body-not-exist"><div class="wrap-header h2wrap"><h2 id="另见"><a aria-hidden="true" tabindex="-1" href="#另见"><span class="icon icon-link"></span></a>另见</h2><div class="wrap-body">
|
||
<ul>
|
||
<li><a href="https://gist.github.com/ssstonebraker/6140154">sed 备忘单</a> <em>(gist.github.com)</em></li>
|
||
</ul>
|
||
</div></div><div class="h2wrap-body"></div></div></div><script src="https://giscus.app/client.js" data-repo="jaywcjlove/reference" data-repo-id="R_kgDOID2-Mw" data-category="Q&A" data-category-id="DIC_kwDOID2-M84CS5wo" data-mapping="pathname" data-strict="0" data-reactions-enabled="1" data-emit-metadata="0" data-input-position="bottom" data-theme="dark" data-lang="zh-CN" crossorigin="anonymous" async></script><div class="giscus"></div></div><footer class="footer-wrap"><footer class="max-container">© 2022 <a href="https://wangchujiang.com/#/app" target="_blank">Kenny Wang</a>.</footer></footer><script src="../data.js?v=1.8.3" defer></script><script src="../js/fuse.min.js?v=1.8.3" defer></script><script src="../js/main.js?v=1.8.3" defer></script><div id="mysearch"><div class="mysearch-box"><div class="mysearch-input"><div><svg xmlns="http://www.w3.org/2000/svg" height="1em" width="1em" viewBox="0 0 18 18">
|
||
<path fill="currentColor" d="M17.71,16.29 L14.31,12.9 C15.4069846,11.5024547 16.0022094,9.77665502 16,8 C16,3.581722 12.418278,0 8,0 C3.581722,0 0,3.581722 0,8 C0,12.418278 3.581722,16 8,16 C9.77665502,16.0022094 11.5024547,15.4069846 12.9,14.31 L16.29,17.71 C16.4777666,17.8993127 16.7333625,18.0057983 17,18.0057983 C17.2666375,18.0057983 17.5222334,17.8993127 17.71,17.71 C17.8993127,17.5222334 18.0057983,17.2666375 18.0057983,17 C18.0057983,16.7333625 17.8993127,16.4777666 17.71,16.29 Z M2,8 C2,4.6862915 4.6862915,2 8,2 C11.3137085,2 14,4.6862915 14,8 C14,11.3137085 11.3137085,14 8,14 C4.6862915,14 2,11.3137085 2,8 Z"></path>
|
||
</svg><input id="mysearch-input" type="search" placeholder="搜索" autocomplete="off"><div class="mysearch-clear"></div></div><button id="mysearch-close" type="button">搜索</button></div><div class="mysearch-result"><div id="mysearch-menu"></div><div id="mysearch-content"></div></div></div></div></body>
|
||
</html>
|