{"id":100,"date":"2022-04-10T13:18:40","date_gmt":"2022-04-10T05:18:40","guid":{"rendered":"https:\/\/www.qiangzhenshuai.com\/?p=100"},"modified":"2024-11-20T23:09:23","modified_gmt":"2024-11-20T15:09:23","slug":"linux-sed%e6%9b%bf%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/www.qiangzhenshuai.com\/?p=100","title":{"rendered":"Linux-sed\u66ff\u6362"},"content":{"rendered":"<h1>sed<\/h1>\n<h2>\u4e3b\u8981\u7528\u6765\u81ea\u52a8\u7f16\u8f91\u4e00\u4e2a\u6216\u591a\u4e2a\u6587\u4ef6\u3001\u7b80\u5316\u5bf9\u6587\u4ef6\u7684\u53cd\u590d\u64cd\u4f5c<\/h2>\n<pre>-e\uff1a\u6267\u884c\u591a\u4e2a\u7f16\u8f91\u547d\u4ee4 sed -e 's\/foo\/bar\/g' -e 's\/baz\/qux\/g' filename\r\n-f\uff1a\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u7f16\u8f91\u547d\u4ee4 sed -f scriptfile.txt filename\r\n-n\uff1a\u53ea\u8f93\u51fa\u5339\u914d\u7684\u884c sed -n '\/pattern\/p' filename\r\n-i\uff1a\u76f4\u63a5\u4fee\u6539\u6587\u4ef6\u5185\u5bb9 sed -i 's\/old\/new\/g' filename\r\n-r\uff1a\u4f7f\u7528\u6269\u5c55\u6b63\u5219\u8868\u8fbe\u5f0f sed -r 's\/[0-9]+\/NUM\/g' filename\r\n-h\uff1a\u663e\u793a\u5e2e\u52a9\u4fe1\u606f sed -h\r\n-V\uff1a\u663e\u793a\u7248\u672c\u4fe1\u606f sed -V\r\na\uff1a\u5728\u5f53\u524d\u884c\u540e\u6dfb\u52a0\u6587\u672c sed '1a\\new line' filename\r\ni\uff1a\u5728\u5f53\u524d\u884c\u524d\u63d2\u5165\u6587\u672c sed '1i\\new line' filename\r\nc\uff1a\u66ff\u6362\u9009\u5b9a\u7684\u884c sed '2c\\new line' filename\r\nd\uff1a\u5220\u9664\u9009\u5b9a\u7684\u884c sed '2d' filename\u6216\u8005\u6307\u5b9a\u7684sed '\/xxxx\/d'\u5355\u8bcd\u3001sed '$d'\u5220\u9664\u6700\u540e\u4e00\u884c\r\ns\uff1b\u66ff\u6362\u6307\u5b9a\u7684\u5b57\u7b26\u4e32 sed 's\/old\/new\/g' filename\r\np\uff1a\u6253\u5370\u9009\u5b9a\u7684\u884c sed -n '2p' filename  sed -n '$p'\u6700\u540e\u4e00\u884c\r\nq\uff1a\u9000\u51fased sed '2q' filename\r\nN\uff1a\u5c06\u4e0b\u4e00\u884c\u7684\u5185\u5bb9\u8bfb\u5165\u6a21\u5f0f\u7a7a\u95f4\uff0c\u5e76\u5728\u5176\u540e\u9644\u52a0\u4e00\u4e2a\u6362\u884c\u7b26\r\ng\uff1a\u5168\u5c40\u66ff\u6362\uff0c\u5373\u66ff\u6362\u6bcf\u4e00\u884c\u4e2d\u7684\u6240\u6709\u5339\u914d\u9879\r\nr\uff1b\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u884c sed '2r newfile.txt' filename\r\nw\uff1a\u5c06\u9009\u5b9a\u7684\u884c\u5199\u5165\u6587\u4ef6 sed -n '2w newfile.txt' filename\r\n\\n\uff1a\u8868\u793a\u65b0\u884c<\/pre>\n<pre>()\uff1a\u5206\u7ec4\uff0c\u7528\u4e8e\u6355\u83b7\u5b50\u8868\u8fbe\u5f0f\u3002sed -E 's\/(abc)def\/\\1XYZ\/g'\u00a0\u5c06\u628a\u00a0abcdef\u00a0\u66ff\u6362\u4e3a\u00a0abcXYZ\r\n\\\uff1a\u8f6c\u4e49\u5b57\u7b26\uff0c\u7528\u4e8e\u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26\u3002sed 's\/\\.\/-\/g'\u00a0\u5c06\u628a\u6240\u6709\u7684\u00a0.\u00a0\u66ff\u6362\u4e3a\u00a0-\u3002\r\n\\1, \\2, ...\uff1a\u5f15\u7528\u524d\u9762\u7684\u6355\u83b7\u7ec4\u3002sed 's\/$abc$$def$\/\\2\\1\/g'\u00a0\u5c06\u628a\u00a0abcdef\u00a0\u66ff\u6362\u4e3a\u00a0defabc\r\n\r\nsed 's\/xxx\/ccc\/'\uff1a\u66ff\u6362\u6587\u4ef6\u4e2d\u7684xxx\u66ff\u6362\u6210ccc\uff0c\u53ea\u4e0d\u8fc7\u53ea\u66ff\u6362\u4e00\u6b21\u53ca\u7ec8\u6b62\u5728\u8fd9\u4e00\u884c\u7684\u64cd\u4f5c sed 's\/xxx\/ccc\/g'\uff1a\u66ff\u6362\u6587\u4ef6\u4e2d\u7684xxx\u66ff\u6362\u6210ccc\uff0c\u5168\u90e8\u66ff\u6362\u6389\uff08g\u5168\u5c40\uff09 sed -n s'\/root\/123\/pg'\uff1a\u663e\u793a\u66ff\u6362\u7684\u884c\r\nsed -n \u00a0 '\/123\/,\/321\/p'\uff1a\u53d6123\u5230321\u7684\u503c\r\nsed 's#[0-9]#&lt;666&gt;#g'\uff1a\u7528\u4e8e\u5c06\u6587\u4ef6\u4e2d\u6240\u6709\u7684\u6570\u5b57\uff080-9\uff09\u66ff\u6362\u4e3a &lt;666&gt;\u3002\u8fd9\u91cc\u4f7f\u7528\u4e86\u65b9\u62ec\u53f7 [] \u6765\u5b9a\u4e49\u5b57\u7b26\u7c7b\r\nsed 'N; s\/\\n\/ \/'\uff1a\u5c06\u6a21\u5f0f\u7a7a\u95f4\u4e2d\u7684\u6362\u884c\u7b26\u66ff\u6362\u4e3a\u7a7a\u683c<\/pre>\n<h4>\u53d6\u51fa\u7b2c3\u884c<\/h4>\n<pre>sed -n '3p' \/etc\/passwd<\/pre>\n<h4>\u53d6\u51fa\u7b2c1\u884c\uff0c\u5230\u7b2c5\u884c\u4e4b\u95f4\uff0c\u66ff\u6362\u4ee5root\u5f00\u5934\u7684\u884c\uff0c\u7528xxx\u6765\u66ff\u6362\uff0c\u5e76\u663e\u793a\u66ff\u6362\u7684\u884c<\/h4>\n<pre>sed -n '1,5s\/root\/xxx\/pg' \/etc\/dmxsp<\/pre>\n<h4>\u53d6\u51fa\u65e5\u5fd7\u4e2d16:02\u523016:30\u65e5\u5fd7<\/h4>\n<p>sed -n &#8216;\/16:02:54\/,\/16:39:37\/p&#8217; access.log |less<\/p>\n<h4>\u5728\/etc\/ssh\/sshd_config \u6700\u540e\u589e\u52a0\u5185\u5bb9<\/h4>\n<p>sed\u00a0 \u00a0&#8216;$a Port=22\\nPermitRootLogin=no\\nUseDNS=no\\nGSSAPIAuthcation=no&#8217;<\/p>\n<h4>\u628a\u6587\u4ef6\u4e2d\u7684\u56de\u8f66\u66ff\u6362\u4e3a\u7a7a\u683c<\/h4>\n<p>[root@master ~]$ seq 10<br \/>\n1<br \/>\n2<br \/>\n3<br \/>\n4<br \/>\n5<br \/>\n6<br \/>\n7<br \/>\n8<br \/>\n9<br \/>\n10<br \/>\n[root@master ~]$ seq 10 | sed &#8216;N;s#\\n# #g&#8217;<br \/>\n1 2<br \/>\n3 4<br \/>\n5 6<br \/>\n7 8<br \/>\n9 10<br \/>\n[root@master ~]$ seq 10 | sed &#8216;N;N;N;N;N;N;N;N;N;s#\\n# #g&#8217;<br \/>\n1 2 3 4 5 6 7 8 9 10<\/p>\n<p>[root@master ~]$ seq 5 | sed &#8216;:label ;N;s#\\n# #g;p; t label &#8216;<br \/>\n1 2<br \/>\n1 2 3<br \/>\n1 2 3 4<br \/>\n1 2 3 4 5<br \/>\n1 2 3 4 5<\/p>\n<p>:label\uff1a\u5b9a\u4e49\u4e00\u4e2a\u6807\u7b7e\u00a0label\uff0c\u7528\u4e8e\u5faa\u73af\u3002<br \/>\nN\uff1a\u5c06\u4e0b\u4e00\u884c\u8bfb\u5165\u6a21\u5f0f\u7a7a\u95f4\uff0c\u5e76\u5728\u5176\u540e\u9644\u52a0\u4e00\u4e2a\u6362\u884c\u7b26\u3002<br \/>\ns#\\n# #g\uff1a\u5c06\u6a21\u5f0f\u7a7a\u95f4\u4e2d\u7684\u6240\u6709\u6362\u884c\u7b26\u00a0\\n\u00a0\u66ff\u6362\u4e3a\u7a7a\u683c\u00a0 \u3002<br \/>\np\uff1a\u6253\u5370\u6a21\u5f0f\u7a7a\u95f4\u7684\u5185\u5bb9\u3002<br \/>\nt label\uff1a\u5982\u679c\u4e0a\u6b21\u66ff\u6362\u64cd\u4f5c\u6210\u529f\uff0c\u5219\u8df3\u8f6c\u5230\u6807\u7b7e\u00a0label\u00a0\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<h4>\u8be6\u7ec6\u6b65\u9aa4<\/h4>\n<p>\u521d\u59cb\u72b6\u6001\uff1a<\/p>\n<p>\u6a21\u5f0f\u7a7a\u95f4\u4e3a\u00a01\u3002<\/p>\n<p>\u7b2c\u4e00\u6b21\u5faa\u73af\uff1a<br \/>\nN\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01\\n2\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2\u3002<br \/>\np\uff1a\u6253\u5370\u00a01 2\u3002<br \/>\nt label\uff1a\u8df3\u8f6c\u5230\u00a0label\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b21\u5faa\u73af\uff1a<\/p>\n<p>N\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2\\n3\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3\u3002<br \/>\np\uff1a\u6253\u5370\u00a01 2 3\u3002<br \/>\nt label\uff1a\u8df3\u8f6c\u5230\u00a0label\u3002<\/p>\n<p>\u7b2c\u4e09\u6b21\u5faa\u73af\uff1a<\/p>\n<p>N\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3\\n4\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3 4\u3002<br \/>\np\uff1a\u6253\u5370\u00a01 2 3 4\u3002<br \/>\nt label\uff1a\u8df3\u8f6c\u5230\u00a0label\u3002<\/p>\n<p>\u7b2c\u56db\u6b21\u5faa\u73af\uff1a<\/p>\n<p>N\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3 4\\n5\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3 4 5\u3002<br \/>\np\uff1a\u6253\u5370\u00a01 2 3 4 5\u3002<br \/>\nt label\uff1a\u8df3\u8f6c\u5230\u00a0label\u3002<\/p>\n<p>\u7b2c\u4e94\u6b21\u5faa\u73af\uff1a<\/p>\n<p>N\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3 4 5\\n\uff08\u5df2\u7ecf\u6ca1\u6709\u4e0b\u4e00\u884c\uff0c\u6240\u4ee5\u00a0N\u00a0\u4e0d\u518d\u6dfb\u52a0\u65b0\u7684\u884c\uff09\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u4ecd\u7136\u662f\u00a01 2 3 4 5\uff08\u6ca1\u6709\u6362\u884c\u7b26\uff0c\u6240\u4ee5\u66ff\u6362\u64cd\u4f5c\u4e0d\u6210\u529f\uff09\u3002<br \/>\np\uff1a\u6253\u5370\u00a01 2 3 4 5\u3002<br \/>\nt label\uff1a\u4e0d\u518d\u8df3\u8f6c\uff0c\u9000\u51fa\u5faa\u73af\u3002<\/p>\n<p>[root@master ~]$ seq 5 | sed &#8216;:label ;N;s#\\n# #g; t label ;p&#8217;<br \/>\n1 2 3 4 5<\/p>\n<h4>\u8be6\u7ec6\u6b65\u9aa4<\/h4>\n<p>\u521d\u59cb\u72b6\u6001\uff1a<\/p>\n<p>\u6a21\u5f0f\u7a7a\u95f4\u4e3a\u00a01\u3002<\/p>\n<p>\u7b2c\u4e00\u6b21\u5faa\u73af\uff1a<\/p>\n<p>N\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01\\n2\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2\u3002<br \/>\nt label\uff1a\u8df3\u8f6c\u5230\u00a0label\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b21\u5faa\u73af\uff1a<\/p>\n<p>N\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2\\n3\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3\u3002<br \/>\nt label\uff1a\u8df3\u8f6c\u5230\u00a0label\u3002<\/p>\n<p>\u7b2c\u4e09\u6b21\u5faa\u73af\uff1a<\/p>\n<p>N\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3\\n4\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3 4\u3002<br \/>\nt label\uff1a\u8df3\u8f6c\u5230\u00a0label\u3002<\/p>\n<p>\u7b2c\u56db\u6b21\u5faa\u73af\uff1a<\/p>\n<p>N\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3 4\\n5\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3 4 5\u3002<br \/>\nt label\uff1a\u8df3\u8f6c\u5230\u00a0label\u3002<\/p>\n<p>\u7b2c\u4e94\u6b21\u5faa\u73af\uff1a<\/p>\n<p>N\uff1a\u6a21\u5f0f\u7a7a\u95f4\u53d8\u4e3a\u00a01 2 3 4 5\\n\uff08\u5df2\u7ecf\u6ca1\u6709\u4e0b\u4e00\u884c\uff0c\u6240\u4ee5\u00a0N\u00a0\u4e0d\u518d\u6dfb\u52a0\u65b0\u7684\u884c\uff09\u3002<br \/>\ns#\\n# #g\uff1a\u6a21\u5f0f\u7a7a\u95f4\u4ecd\u7136\u662f\u00a01 2 3 4 5\uff08\u6ca1\u6709\u6362\u884c\u7b26\uff0c\u6240\u4ee5\u66ff\u6362\u64cd\u4f5c\u4e0d\u6210\u529f\uff09\u3002<br \/>\nt label\uff1a\u4e0d\u518d\u8df3\u8f6c\uff0c\u9000\u51fa\u5faa\u73af\u3002<br \/>\np\uff1a\u6253\u5370\u00a01 2 3 4 5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>sed \u4e3b\u8981\u7528\u6765\u81ea\u52a8\u7f16\u8f91\u4e00\u4e2a\u6216\u591a\u4e2a\u6587\u4ef6\u3001\u7b80\u5316\u5bf9\u6587\u4ef6\u7684\u53cd\u590d\u64cd\u4f5c -e\uff1a\u6267\u884c\u591a\u4e2a\u7f16\u8f91\u547d\u4ee4 sed -e &#8216;s\/fo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[5],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts\/100"}],"collection":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=100"}],"version-history":[{"count":6,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions"}],"predecessor-version":[{"id":1379,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions\/1379"}],"wp:attachment":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}