{"id":20,"date":"2013-04-21T23:06:56","date_gmt":"2013-04-21T15:06:56","guid":{"rendered":"http:\/\/coderbee.net\/?p=20"},"modified":"2013-04-26T10:20:17","modified_gmt":"2013-04-26T02:20:17","slug":"sed-%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/linux\/20130421\/20","title":{"rendered":"sed \u7b14\u8bb0"},"content":{"rendered":"<h2>sed \u7b80\u4ecb<\/h2>\n<p>sed\uff08stream editor\uff09\u662f\u4e00\u4e2a\u6d41\u7f16\u8f91\u5668\uff0c\u4e00\u6b21\u5904\u7406\u6d41\u7684\u4e00\u884c\u5185\u5bb9\u3002<\/p>\n<p>sed \u547d\u4ee4\u6a21\u5f0f<br \/>\n<code>sed [options] 'command' file(s)<\/code><br \/>\n<code>sed [options] -f scriptfile file(s)<\/code><\/p>\n<p>\u5e38\u7528options<\/p>\n<ul>\n<li>-n \u53d6\u6d88\u9ed8\u8ba4\u8f93\u51fa\uff0c\u53ea\u6709\u7ecf\u8fc7sed\u7279\u6b8a\u5904\u7406\u884c(\u6216\u8005\u52a8\u4f5c)\u624d\u4f1a\u88ab\u5217\u51fa\u6765\u3002<\/li>\n<li>-e \u591a\u91cd\u7f16\u8f91\u6a21\u5f0f\u3002\u5728\u547d\u4ee4\u884c\u4e2d\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u64cd\u4f5c\u6307\u4ee4\u65f6\u624d\u9700\u8981\u7528\u5230\u3002<\/li>\n<li>-f \u6307\u5b9ased\u811a\u672c\u6587\u4ef6\u540d\u3002<\/li>\n<li>-i  \u76f4\u63a5\u4fee\u6539\u6587\u4ef6\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<p>sed \u4e0d\u4f1a\u76f4\u63a5\u4fee\u6539\u539f\u6587\u4ef6\uff0c\u8981\u76f4\u63a5\u4fee\u6539\u539f\u6587\u4ef6\u67092\u79cd\u65b9\u5f0f\uff1a<br \/>\n1.  \u4f7f\u7528 -i \u9009\u9879\uff1b<br \/>\n2.  \u4f7f\u7528\u91cd\u5b9a\u5411\uff0c\u91cd\u5b9a\u5411\u7684\u76ee\u6807\u6587\u4ef6\u4e0d\u80fd\u4e0e\u8f93\u5165\u6587\u4ef6\u76f8\u540c\u3002<\/p>\n<h2>sed \u7684\u5904\u7406\u6d41\u7a0b<\/h2>\n<p>\u6bcf\u6761\u64cd\u4f5c\u6307\u4ee4\u7531pattern\u548cprocedure\u4e24\u90e8\u5206\u7ec4\u6210\uff0cpattern\u4e00\u822c\u662f\u7528 &#8216;\/&#8217; \u5206\u9694\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff08\u5728sed\u4e2d\u4e5f\u53ef\u80fd\u662f\u884c\u53f7\uff09\uff0cprocedure\u5219\u662f\u4e00\u8fde\u4e32\u7684\u7f16\u8f91\u547d\u4ee4\u3002<\/p>\n<p>sed\u7684\u5904\u7406\u6d41\u7a0b\u7b80\u5316\u4e3a\uff1a<br \/>\n1.  \u8bfb\u5165\u65b0\u7684\u4e00\u884c\u5185\u5bb9\u5230\u7f13\u5b58\u7a7a\u95f4\uff1b<br \/>\n2.  \u4ece\u6307\u5b9a\u7684\u64cd\u4f5c\u547d\u4ee4\u4e2d\u53d6\u51fa\u7b2c\u4e00\u6761\u6307\u4ee4\uff0c\u5224\u65ad\u662f\u5426\u5339\u914dpattern\uff1b<br \/>\n3.  \u5982\u679c\u4e0d\u5339\u914d\uff0c\u5219\u5ffd\u7565\u540e\u7eed\u7684\u7f16\u8f91\u547d\u4ee4\uff0c\u56de\u5230\u7b2c2\u6b65\u7ee7\u7eed\u53d6\u51fa\u4e0b\u4e00\u6761\u6307\u4ee4\uff1b<br \/>\n4.  \u5982\u679c\u5339\u914d\uff0c\u5219\u9488\u5bf9\u7f13\u5b58\u7684\u884c\u6267\u884c\u540e\u7eed\u7684\u7f16\u8f91\u547d\u4ee4\uff1b\u5b8c\u6210\u540e\uff0c\u56de\u5230\u7b2c2\u6b65\u7ee7\u7eed\u53d6\u51fa\u4e0b\u4e00\u6761\u6307\u4ee4\uff1b<br \/>\n5.  \u5f53\u6240\u6709\u6307\u4ee4\u90fd\u5e94\u7528\u4e4b\u540e\uff0c\u8f93\u51fa\u7f13\u5b58\u884c\u7684\u5185\u5bb9\uff1b\u56de\u5230\u7b2c1\u6b65\u7ee7\u7eed\u8bfb\u5165\u4e0b\u4e00\u884c\u5185\u5bb9\uff1b<br \/>\n6.  \u5f53\u6240\u6709\u884c\u90fd\u5904\u7406\u5b8c\u6210\u4e4b\u540e\uff0c\u7ed3\u675f\u3002<\/p>\n<p>\u4ece\u6d41\u7a0b\u4e0a\u53ef\u4ee5\u770b\u51fa\uff0c\u524d\u4e00\u4e2a\u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c\u5f71\u54cd\u540e\u4e00\u4e2a\u547d\u4ee4\u7684\u6267\u884c\uff0c\u547d\u4ee4\u6309\u5148\u540e\u987a\u5e8f\u6267\u884c\u3002<\/p>\n<p><!--more--><\/p>\n<h2>\u5730\u5740<\/h2>\n<p>\u5730\u5740\u662f\u7528\u6765\u786e\u5b9a\u5e0c\u671b\u7f16\u8f91\u7684\u884c\uff0c\u53ef\u4ee5\u7528\u6570\u5b57\u3001\u6b63\u5219\u3001\u7f8e\u5143\u7b26\uff08$\uff09\u6765\u8868\u793a\u3002\u4e5f\u53ef\u4ee5\u7528\u9017\u53f7\u5206\u9694\u7684\u4e24\u4e2a\u5730\u5740\u6765\u8868\u793a\u5e0c\u671b\u7f16\u8f91\u7684\u8303\u56f4\uff0c\u8fd9\u4e2a\u8303\u56f4\u5305\u62ec\u8fd9\u4e24\u4e2a\u5730\u5740\u6240\u5728\u7684\u884c\u3002<\/p>\n<p><strong>[\u8d77\u59cb\u5730\u5740,  \u7ed3\u675f\u5730\u5740]<\/strong><\/p>\n<p>\u4e3e\u4f8b\uff1a<\/p>\n<pre><code>\n3              \/\/ \u8868\u793a\u5e0c\u671b\u7f16\u8f91\u7b2c3\u884c\u3002\n$              \/\/ \u8868\u793a\u5e0c\u671b\u7f16\u8f91\u6700\u540e\u90a3\u884c\u3002\n4, 10          \/\/ \u8868\u793a\u5e0c\u671b\u7f16\u8f914\u81f310\u884c\uff0c[4-10]\u3002\n2, $           \/\/ \u8868\u793a\u5e0c\u671b\u7f16\u8f912\u81f3\u6700\u540e\u884c\uff0c[2-$]\u3002\n\/href\/         \/\/ \u8868\u793a\u5e0c\u671b\u7f16\u8f91\u542b\u6709 href \u5b57\u7b26\u7684\u90a3\u4e9b\u884c\u3002\n2, \/href\/      \/\/ \u8868\u793a\u5e0c\u671b\u7f16\u8f91\u4ece\u7b2c2\u884c\u5f00\u59cb\u76f4\u5230\u5e76\u5305\u62ec\u7b2c\u4e00\u4e2a\u542b\u6709 href \u5b57\u7b26\u7684\u884c\u3002\n\/meta\/,\/link\/  \/\/ \u8868\u793a\u5e0c\u671b\u7f16\u8f91\u4ece\u7b2c\u4e00\u4e2a\u542b\u6709 meta \u5b57\u7b26\u7684\u884c \u5230 \u7b2c\u4e00\u4e2a\u542b\u6709 link \u5b57\u7b26\u7684\u884c\uff0c\u4e2d\u95f4\u7684\u884c\u5c31\u7b97\u6ca1\u6709 meta \u6216 link \u5b57\u7b26\u4e5f\u4f1a\u88ab\u547d\u4ee4\u5904\u7406\u3002\n<\/code><\/pre>\n<h2>\u6b63\u5219\u5143\u5b57\u7b26<\/h2>\n<p>\u56e0\u4e3ased\u7528\u5230\u5f88\u591a\u6b63\u5219\uff0c\u6240\u4ee5\u5148\u8865\u5145\u70b9\u6b63\u5219\u7684\u77e5\u8bc6\u3002<\/p>\n<pre><code>\n^     \u8868\u793a\u884c\u7684\u5f00\u5934\u3002\n$     \u8868\u793a\u884c\u7684\u7ed3\u5c3e\u3002\n\\<     \u8868\u793a\u8bcd\u9996\uff0c\u5982 \\<abc\u8868\u793a\u4ee5abc\u4e3a\u9996\u7684\u5355\u8bcd\u3002\n\\>     \u8868\u793a\u8bcd\u5c3e\uff0c\u5982 abc\\>\u8868\u793a\u4ee5abc\u4e3a\u5c3e\u7684\u5355\u8bcd\u3002\n.     \u53e5\u70b9\u8868\u793a\u4efb\u610f\u5355\u4e2a\u5b57\u7b26\n*     \u661f\u53f7\u8868\u793a\u67d0\u4e2a\u5b57\u7b26\u51fa\u73b0\u4e860\u6b21\u6216\u591a\u6b21\u3002\n[]    \u5b57\u7b26\u96c6\u5408\u3002\u5982[0-9]\u8868\u793a\u6570\u5b570-9\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\uff0c[a-zA-Z]\u8868\u793a\u5b57\u6bcd\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\u3002\u5982\u679c\u5b57\u7b26\u96c6\u4ee5^\u5f00\u5934\u8868\u793a\u975e\uff0c\u5982[^0-9]\u8868\u793a\u975e\u6570\u5b57\u3002\n<\/code><\/pre>\n<p>\u8fd9\u4e9b\u6b63\u5219\u8ddf\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684\u6b63\u5219\u5dee\u4e0d\u591a\uff0c\u9664\u4e86 <code>\\&lt;<\/code> \u548c <code>\\&gt;<\/code> \u3002<\/p>\n<h2>sed \u547d\u4ee4<\/h2>\n<p>\u6709\u4e86\u524d\u9762\u7684\u57fa\u7840\uff0c\u5c31\u53ef\u4ee5\u5b66\u4e60sed\u547d\u4ee4\u5e76\u5b9e\u9645\u8fd0\u884c\u4e86\u3002<\/p>\n<p>\u51e0\u4e4e\u6240\u6709\u547d\u4ee4\u90fd\u662f\u8fd9\u6837\uff1a<code>[address[,address]][!]{cmd}<\/code> \u3002address\u53ef\u4ee5\u662f\u524d\u9762\u63d0\u5230\u7684\u5b9a\u5740\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u3002<\/p>\n<h3>s \u66ff\u6362\u547d\u4ee4<\/h3>\n<p>s \u7684\u547d\u4ee4\u6a21\u5f0f\u662f\u8fd9\u6837\u7684\uff1a<code>[address[, address]]s\/pattern\/replacement\/g<\/code><\/p>\n<pre><code>\nsed \"s\/my\/you\/g\"  file\n\u628afile\u91cc\u7684 my \u66ff\u6362\u4e3a you\n\nsed \"3,$s\/my\/you\/g\"  file\n\u628afile\u91cc \u7b2c3\u884c \u5230 \u6700\u540e\u884c \u7684 my \u66ff\u6362\u4e3a you\n\nsed \"3,$s\/t\/T\/3\" file\n\u628afile\u91cc \u7b2c3\u884c \u5230 \u6700\u540e\u884c \u7684\u7b2c\u4e09\u4e2a t \u66ff\u6362\u4e3a T\n\nsed \"3,$s\/t\/T\/3g\" file\n\u628afile\u91cc \u7b2c3\u884c \u5230 \u6700\u540e\u884c \u7684 \u7b2c\u4e09\u4e2a\u5f00\u59cb \u7684 t \u66ff\u6362\u4e3a T\n\nsed \"1,3s\/^\/head\/g\" file\n\u628afile\u91cc \u7b2c1\u884c \u5230 \u7b2c3\u884c \u7684\u884c\u9996\u52a0\u4e0a head\n\nsed \"1,3s\/\uffe5\/tail\/g\" file\n\u628afile\u91cc \u7b2c1\u884c \u5230 \u7b2c3\u884c \u7684\u884c\u9996\u52a0\u4e0a tail\n\nsed \"s\/<[^>]*>\/\/g\"  file\n\u53bb\u9664file\u7684html\u6807\u7b7e\uff0c\u6807\u7b7e\u901a\u8fc7\u6b63\u5219 <[^>]*> \u5339\u914d\uff0c\u66ff\u6362\u4e3a\u7a7a\u4e5f\u5c31\u662f\u5220\u9664\u4e86\u3002\n<\/code><\/pre>\n<h3>a \u547d\u4ee4\u548c i \u547d\u4ee4<\/h3>\n<p>a\u547d\u4ee4\u662fappend\uff0ci\u547d\u4ee4\u662finsert\uff0c\u90fd\u53ef\u4ee5\u7528\u6765\u6dfb\u52a0\u884c\u3002\u533a\u522b\u5728a\u662f\u5728\u5339\u914d\u884c\u540e\u9762\u6dfb\u52a0\u65b0\u884c\uff0c\u800ci\u662f\u5728\u5339\u914d\u884c\u7684\u524d\u9762\u6dfb\u52a0\u65b0\u884c\u3002<br \/>\n\u547d\u4ee4\u6a21\u5f0f\uff1a <code>sed  \"[address[,address]]i newline\" file<\/code> \uff0c <code>sed  \"[address[,address]]a newline\" file<\/code>\uff0c  i\u547d\u4ee4\u540e\u9762\u53ef\u4ee5\u6709\u4efb\u610f\u6570\u91cf\u7684\u7a7a\u683c\u7b26\u3002<\/p>\n<p>\u4e3e\u4f8b\uff1a<\/p>\n<pre><code>\nsed \"\/coderbee\/a    add new line .\" csv.txt\n\u5728\u6bcf\u4e2a\u5305\u542b coderbee \u7684\u884c\u7684\u540e\u9762\u63d2\u5165 newline \u7684\u65b0\u884c\u3002\n\nsed \"1,\/coderbee\/i    add new line .\" csv.txt\n\u4ece\u7b2c1\u884c\u76f4\u5230\u7b2c1\u4e2a\u5305\u542b coderbee \u7684\u884c\uff0c\u5728\u8fd9\u4e9b\u884c\u7684\u524d\u9762\u63d2\u5165 newline \u7684\u65b0\u884c\u3002\n<\/code><\/pre>\n<h3>c \u66ff\u6362\u5339\u914d\u884c\u547d\u4ee4<\/h3>\n<p><code>sed \"2c newline\" csv.txt<\/code><br \/>\n\u628a\u7b2c2\u884c\u66ff\u6362\u4e3a newline<\/p>\n<p><code>sed \"\/coderbee\/c newline\" csv.txt<\/code><br \/>\n\u628a\u7b2c\u5339\u914dcoderbee\u7684\u884c\u66ff\u6362\u4e3a newline<\/p>\n<h3>d \u5220\u9664\u5339\u914d\u884c\u547d\u4ee4<\/h3>\n<p>\u5176\u5b9ed\u547d\u4ee4\u662f\u5220\u9664\u6a21\u5f0f\u7a7a\u95f4\u7684\u6240\u6709\u884c\u3002<\/p>\n<p><code>sed \"2d\" csv.txt<\/code><br \/>\n\u628a\u7b2c2\u884c\u5220\u9664<\/p>\n<p><code>sed \"\/coderbee\/d\" csv.txt<\/code><br \/>\n\u628a\u7b2c\u5339\u914dcoderbee\u7684\u884c\u5220\u9664<\/p>\n<h3>p \u6253\u5370\u5339\u914d\u884c\u547d\u4ee4<\/h3>\n<p><code>sed -n \"2p\" csv.txt<\/code><br \/>\n\u6253\u5370\u7b2c2\u884c<\/p>\n<p><code>sed -n \"\/coderbee\/p\" csv.txt<\/code><br \/>\n\u6253\u5370\u5339\u914dcoderbee\u7684\u884c<\/p>\n<h3>D \u547d\u4ee4<\/h3>\n<p>\u5220\u9664\u6a21\u5f0f\u7a7a\u95f4\u4e2d\u7b2c\u4e00\u884c\u7684\u5185\u5bb9\uff0cd\u547d\u4ee4\u662f\u5220\u9664\u6a21\u5f0f\u7a7a\u95f4\u7684\u6240\u6709\u5185\u5bb9\u3002D\u4e0d\u4f1a\u5bfc\u81f4\u8bfb\u5165\u65b0\u884c\uff0c\u5b83\u4f1a\u8fd4\u56de\u5230\u6700\u521d\u7684\u7f16\u8f91\u547d\u4ee4\uff0c\u91cd\u65b0\u5e94\u7528\u5728\u6a21\u5f0f\u7a7a\u95f4\u5269\u4f59\u7684\u5185\u5bb9\u4e0a\u3002<\/p>\n<p>\u5220\u9664\u8fde\u7eed\u7684\u7a7a\u884c\uff1a <code>sed \"\/^$\/{N; \/^$\/D}\"  file<\/code>\uff0c(\u6d4b\u8bd5\u6ca1\u6548\u679c)<\/p>\n<h3>p\/P \u6253\u5370\u547d\u4ee4<\/h3>\n<p>p\u6253\u5370\u6a21\u5f0f\u7a7a\u95f4\u7684\u6240\u6709\u5185\u5bb9\uff0c\u800cP\u53ea\u6253\u5370\u6a21\u5f0f\u7a7a\u95f4\u7684\u7b2c\u4e00\u884c\u5185\u5bb9\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cp\/P\u547d\u4ee4\u662f\u548c <code>-n<\/code> \u9009\u9879\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n<h3>y \u8f6c\u6362\u547d\u4ee4<\/h3>\n<p>\u547d\u4ee4\u6a21\u5f0f\uff1a[address[,address]]y\/SET1\/SET2\/ \uff0cy \u8f6c\u6362\u547d\u4ee4\u76f8\u5f53\u4e8e\u5b9a\u4e49\u4e86\u4e00\u4e2a\u6620\u5c04\u8868\uff0c\u628a\u96c6\u5408SET1\u4e2d\u5bf9\u5e94\u7684\u5b57\u7b26\u8f6c\u6362\u4e3a\u96c6\u5408SET2\u4e2d\u5bf9\u5e94\u7684\u5b57\u7b26\uff0c\u4e24\u4e2a\u96c6\u5408\u7684\u957f\u5ea6\u5fc5\u987b\u4e00\u81f4\u3002<\/p>\n<p><code>sed -n \"1,3y\/abc\/ABC\/\" file<\/code><br \/>\n\u4e0a\u9762\u7684\u547d\u4ee4\u5bf91-3\u884c\u8fdb\u884c\u8fd9\u6837\u7684\u8f6c\u6362\uff1a a-A,  b-B,  c-C\u3002<\/p>\n<h3>n \u53d6\u4e0b\u4e00\u884c\u547d\u4ee4<\/h3>\n<p>n\u547d\u4ee4\u5c06\u4e0b\u4e00\u884c\u7684\u5185\u5bb9\u63d0\u524d\u8bfb\u5165\uff0c\u5e76\u5c06\u6a21\u5f0f\u7a7a\u95f4\u4e2d\u7684\u884c\uff08\u4e4b\u524d\u8bfb\u5165\u7684\u884c\uff0c\u53ef\u80fd\u662f\u88ab\u524d\u9762\u7684\u547d\u4ee4\u5904\u7406\u8fc7\u540e\u7684\u7ed3\u679c\uff09\u8f93\u51fa\u5230\u5c4f\u5e55\uff08\u9ed8\u8ba4\u8f93\u51fa\uff09\uff0c\u7136\u540e\u540e\u7eed\u7684\u547d\u4ee4\u4f1a\u5e94\u7528\u5230\u65b0\u8bfb\u5165\u7684\u884c\u4e0a\u3002\u56e0\u6b64n\u547d\u4ee4\u4f1a\u6539\u53d8sed\u7684\u63a7\u5236\u6d41\u7a0b\u3002<\/p>\n<p><code>echo -e \"abc\\nxyz\\n123\\n987\" | sed \"\/xyz\/{n;d}\"<\/code><br \/>\n\u7ed3\u679c\u4e3a\uff1a<\/p>\n<pre><code>\nabc\nxyz\n987\n<\/code><\/pre>\n<p>sed \u7684\u8f93\u5165\u67094\u884c\uff0c\u5339\u914d\u5230xyz\u65f6\uff0c\u6267\u884cn\u547d\u4ee4\uff08\u628axyz\u8f93\u51fa\u5230\u5c4f\u5e55\uff0c\u7136\u540e\u8bfb\u5165xyz\u7684\u4e0b\u4e00\u884c123\uff09\uff0c\u6267\u884cd\u547d\u4ee4\uff0c\u5220\u9664\u4e86123\uff0c\u6240\u4ee5\u8f93\u51fa\u91cc\u6ca1\u6709123\u3002<\/p>\n<h3>N \u547d\u4ee4<\/h3>\n<p>N\u547d\u4ee4\u5c06\u4e0b\u4e00\u884c\u7684\u5185\u5bb9\u8bfb\u53d6\u5230\u5f53\u524d\u6a21\u5f0f\u7a7a\u95f4\uff0c\u4f46\u662f\u4e0en\u547d\u4ee4\u4e0d\u4e00\u6837\u7684\u5730\u65b9\u662fN\u547d\u4ee4\u5e76\u6ca1\u6709\u76f4\u63a5\u8f93\u51fa\u5f53\u524d\u6a21\u5f0f\u7a7a\u95f4\u4e2d\u7684\u884c\uff0c\u800c\u662f\u628a\u4e0b\u4e00\u884c\u8ffd\u52a0\u5230\u5f53\u524d\u6a21\u5f0f\u7a7a\u95f4\uff0c\u4e24\u884c\u4e4b\u95f4\u7528\u56de\u8f66\u7b26<code>\\n<\/code>\u8fde\u63a5\u3002\u4e24\u884c\u5408\u5e76\u62101\u884c\u540e\uff0c\u5143\u5b57\u7b26^\u53d8\u4e3a\u5339\u914d\u6a21\u5f0f\u7a7a\u95f4\u7684\u5f00\u59cb\uff0c$\u53d8\u4e3a\u5339\u914d\u6a21\u5f0f\u7a7a\u95f4\u7684\u7ed3\u5c3e\uff0c\u76f8\u5f53\u4e8e\u53ea\u6709\u4e00\u884c\uff0c\u5ffd\u7565\u4e86\u4e2d\u95f4\u7684\u56de\u8f66\u7b26\u3002<\/p>\n<p><code>echo -e \"1\\n2\\n3\\n4\" | sed \"\/2\/{N; d}\"<\/code><br \/>\n\u5f97\u5230\u7684\u7ed3\u679c\u53ea\u6709<code>1<\/code>\u548c<code>4<\/code>\u4e24\u884c\u3002<\/p>\n<h3>r\/w \u8bfb\u5199\u6587\u4ef6\u547d\u4ee4<\/h3>\n<p>\u4f46\u5b9a\u4f4d\u5339\u914d\u884c\u65f6\uff0cr\u547d\u4ee4\u53ef\u4ee5\u8bfb\u53d6\u6307\u5b9a\u7684\u6587\u4ef6\uff0c\u5e76\u628a\u6587\u4ef6\u7684\u5185\u5bb9\u8f93\u51fa\u5230\u8f93\u51fa\u6d41\u4e2d\uff0cw\u547d\u4ee4\u53ef\u4ee5\u628a\u7ed3\u679c\u8f93\u51fa\u5230\u6307\u5b9a\u7684\u6587\u4ef6\u3002r\/w\u547d\u4ee4\u4f1a\u628a\u7a7a\u683c\u540e\u7684\u5185\u5bb9\u5f53\u4f5c\u6587\u4ef6\u540d\uff0c\u5982\u679cr\/w\u547d\u4ee4\u540e\u9762\u8fd8\u6709\u547d\u4ee4\uff0c\u5e94\u8be5\u7528-e\u9009\u9879\u5f00\u542f\u4e00\u4e2a\u547d\u4ee4\u3002<\/p>\n<p><code>sed -n \"1r tmp\" csv.txt<\/code><br \/>\n\u7528 -n \u5c5e\u6027\u5c4f\u853d\u6389\u9ed8\u8ba4\u8f93\u51fa\uff0c\u5f53\u5339\u914d\u5230\u7b2c1\u884c\u65f6\uff0c\u8bfb\u53d6\u6587\u4ef6tmp\u7684\u5185\u5bb9\u5230\u8f93\u51fa\u6d41\u3002<\/p>\n<p><code>sed -n \"3w tmp\" csv.txt<\/code><br \/>\n\u7528 -n \u5c5e\u6027\u5c4f\u853d\u6389\u9ed8\u8ba4\u8f93\u51fa\uff0c\u5f53\u5339\u914d\u5230\u7b2c3\u884c\u65f6\uff0c\u8f93\u51fa\u6587\u4ef6tmp\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u73b0\u5728\u6709\u4e2a\u6587\u4ef6 read.file\uff0c\u5185\u5bb9\u4e3a\uff1a<\/p>\n<pre><code>\ncontent from file\ncontent from file, line2\n<\/code><\/pre>\n<p>\u6267\u884c\u547d\u4ee4\uff1a  <code>echo -e \"abc\\nxyz\\n123\\n987\" | sed -e \"\/xyz\/r read.file\" -e \"s\/xyz\/XYZ007\/g;\" -e \"y\/027\/+-*\/\"<\/code> \uff0c\u5f97\u5230\u7ed3\u679c\uff1a<\/p>\n<pre><code>\nabc\nXYZ++*\ncontent from file\ncontent from file, line2\n1-3\n98*\n<\/code><\/pre>\n<p>\u4ece\u8f93\u51fa\u7684\u7ed3\u679c\u53ef\u4ee5\u770b\u5230\uff0cr\u547d\u4ee4\u662f\u5728r\u547d\u4ee4\u4e4b\u540e\u7684\u6240\u6709\u547d\u4ee4\u6267\u884c\u5b8c\u540e\u624d\u6267\u884c\u7684\uff0c\u4e0e\u4e00\u822c\u60c5\u51b5\u4e0bsed\u547d\u4ee4\u6309\u987a\u5e8f\u6267\u884c\u8fd8\u662f\u6709\u6240\u4e0d\u540c\u7684\u3002<\/p>\n<h3>\u4fdd\u7559\u7a7a\u95f4<\/h3>\n<p>\u4fdd\u7559\u7a7a\u95f4\uff08Hold Space\uff09\u7528\u4e8e\u4fdd\u5b58\u6a21\u5f0f\u7a7a\u95f4\u7684\u5185\u5bb9\uff0c\u5185\u5bb9\u53ef\u4ee5\u5728\u6a21\u5f0f\u7a7a\u95f4\u4e0e\u4fdd\u7559\u7a7a\u95f4\u4e4b\u95f4\u590d\u5236\uff0c\u9664\u4e86\u4e0b\u9762\u7684\u547d\u4ee4\uff0c\u5176\u4ed6\u547d\u4ee4\u65e0\u6cd5\u5339\u914d\u4e5f\u4e0d\u80fd\u4fee\u6539\u4fdd\u7559\u7a7a\u95f4\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u64cd\u4f5c\u4fdd\u7559\u7a7a\u95f4\u7684\u547d\u4ee4\uff1a<\/p>\n<pre><code>\n\u540d\u79f0                         \u547d\u4ee4               \u8bf4\u660e\n\u4fdd\u5b58\uff08Hold\uff09             h\/H            \u5c06\u6a21\u5f0f\u7a7a\u95f4\u7684\u5185\u5bb9\u590d\u5236\u6216\u8005\u8ffd\u52a0\u5230\u4fdd\u7559\u7a7a\u95f4\n\u53d6\u56de\uff08Get\uff09              g\/G            \u5c06\u4fdd\u7559\u7a7a\u95f4\u7684\u5185\u5bb9\u590d\u5236\u6216\u8ffd\u52a0\u5230\u6a21\u5f0f\u7a7a\u95f4\n\u4ea4\u6362\uff08Exchange\uff09      x               \u4ea4\u6362\u4fdd\u7559\u7a7a\u95f4\u4e0e\u6a21\u5f0f\u7a7a\u95f4\u7684\u5185\u5bb9\n<\/code><\/pre>\n<p>\u5bf9\u4e8e\u4fdd\u5b58\u548c\u53d6\u56de\uff0c\u5c0f\u5199\u547d\u4ee4\u4f1a\u8986\u76d6\u76ee\u7684\u7a7a\u95f4\u7684\u5185\u5bb9\uff0c\u5927\u5199\u662f\u5c06\u5185\u5bb9\u8ffd\u52a0\u5230\u76ee\u7684\u7a7a\u95f4\uff0c\u8ffd\u52a0\u7684\u5185\u5bb9\u548c\u539f\u6709\u7684\u5185\u5bb9\u7528 <code>\\n<\/code> \u5206\u9694\u3002<\/p>\n<h2>\u591a\u4e2a\u5339\u914d<\/h2>\n<p>sed\u652f\u6301\u5339\u914d\u591a\u4e2a\u6a21\u5f0f\uff0c\u53ef\u4ee5\u7528 -e \u9009\u9879\u5f00\u542f\u591a\u4e2a\u5339\u914d\u3002<\/p>\n<p>\u4e3e\u4f8b\uff0c\u628afile\u91cc [1-3] \u884c\u7684 my \u66ff\u6362\u4e3a you\uff0c [3-5]\u884c\u7684 t \u66ff\u6362\u4e3a T :<br \/>\n<code>sed \"1,3s\/my\/you\/g;  3,5s\/t\/T\/g\"  file<\/code><br \/>\n\u8fd9\u4e2a\u4e5f\u7b49\u4ef7\u4e8e\uff1a<br \/>\n<code>sed -e \"1,3s\/my\/you\/g\" -e \"3,5s\/t\/T\/g\"  file<\/code><\/p>\n<h2>\u5706\u62ec\u53f7\u5339\u914d\u4e0e\u53d8\u91cf<\/h2>\n<p>\u5706\u62ec\u53f7\u62ec\u8d77\u6765\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6240\u5339\u914d\u7684\u5b57\u7b26\u4e32\u53ef\u4ee5\u5f53\u6210\u53d8\u91cf\u6765\u4f7f\u7528\uff0c\u6309\u5b9a\u4e49\u7684\u987a\u5e8f\u4f9d\u6b21\u4e3a \\1,  \\2, &#8230; \u3002<br \/>\n&amp; \u53ef\u4ee5\u5f53\u4f5c\u88ab\u5339\u914d\u7684\u53d8\u91cf\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u88ab\u5339\u914d\u7684\u53d8\u91cf\u5de6\u53f3\u52a0\u70b9\u4e1c\u897f\u3002<br \/>\n\u901a\u8fc7\u53d8\u91cf\u8fd8\u53ef\u4ee5\u7528\u6765\u4ece\u6d41\u4e2d\u62bd\u53d6\u7279\u5b9a\u7684\u503c\u3002<\/p>\n<pre><code>\necho \"abc=123\" | sed  \"s\/\\([^=]*\\)=\\(.*\\)\/\\1==\\2\/g\"\n\u5c06\u5f97\u5230  abc==123\n\necho \"123456789\"  | sed \"s\/5\/*&*\/g\"\n\u5c06\u5f97\u5230  1234*5*6789\n\necho \"url='www.google.com'\" | sed \"s\/url='\\([^']*\\)'\/\\1\/g\"\n\u5c06\u5f97\u5230  www.google.com\n<\/code><\/pre>\n<h2>\u547d\u4ee4\u6253\u5305<\/h2>\n<p>\u547d\u4ee4\u53ef\u4ee5\u6709\u591a\u4e2a\uff0c\u7528\u9017\u53f7\u5206\u9694\uff0c\u6309\u5148\u540e\u987a\u5e8f\u6267\u884c\uff0c\u7528\u5927\u62ec\u53f7\u62ec\u8d77\u6765\u4f5c\u4e3a\u5d4c\u5957\u547d\u4ee4\u3002<\/p>\n<pre><code>\necho \"abc1231\" | sed -n -e \"s\/a\/A\/g; s\/1\/++\/g; p\"\n\u7528\u9017\u53f7\u5206\u9694\u591a\u4e2a\u547d\u4ee4\uff0c\u5c06\u5f97\u5230 Abc++23++\n\necho -e \"abc 1\\n    abc xyz\" | sed -n \"\/abc\/{\/xyz\/p}\"\n\u5d4c\u5957\u547d\u4ee4\uff0c\u5148\u5339\u914dabc\uff0c\u518d\u5339\u914dxyz\uff0c\u6210\u529f\u540e\u6253\u5370\uff0c\u5f97\u5230\uff1a   abc xyz\n\necho -e \"abc 1\\n    abc xyz\" | sed -n \"\/abc\/{\/xyz\/{s\/^ *\/\/g;  p}}\"`\n\u5d4c\u5957\u547d\u4ee4\uff0c\u5148\u5339\u914dabc\uff0c\u518d\u5339\u914dxyz\uff0c\u6210\u529f\u540e\uff0c\u5220\u9664\u884c\u9996\u7684\u7a7a\u683c\uff0c\u6700\u540e\u6253\u5370\uff0c\u5f97\u5230\uff1aabc xyz\n<\/code><\/pre>\n<h2>\u4e00\u4e2a\u771f\u5b9e\u6848\u4f8b<\/h2>\n<p>\u6700\u8fd1\u78b0\u5230\u7684\u4e00\u4e2a\u4efb\u52a1\u662f\u8fd9\u6837\u7684\uff1a\u6709\u4e00\u5806web\u9875\u9762\u53ca\u5176\u5f15\u7528\u7684js\u3001css\u3001\u56fe\u7247\uff0c\u73b0\u6709\u8fd9\u5806\u4e1c\u897f\u53ea\u6709\u6709\u9650\u7684\u9875\u9762\u8fd8\u5728\u4f7f\u7528\uff0c\u4e3a\u4e86\u51cf\u5c0f\u8f6f\u4ef6\u5927\u5c0f\u53ca\u4ee5\u540e\u7ef4\u62a4\u65b9\u4fbf\uff0c\u9700\u8981\u628a\u4e0d\u518d\u4f7f\u7528\u7684\u8d44\u6e90\u5220\u9664\uff0c\u53ea\u4fdd\u7559\u5fc5\u987b\u7684\u3002<\/p>\n<p>\u6211\u7684\u505a\u6cd5\u662f\u8fd9\u6837\u7684\uff1a\u4ee5html\u6587\u4ef6\u4e3a\u5165\u53e3\uff0c\u89e3\u6790\u91cc\u9762\u5f15\u7528\u7684js\u3001css\uff0c\u7136\u540e\u518d\u89e3\u6790css\uff0c\u5f97\u5230\u91cc\u9762\u5f15\u7528\u7684\u56fe\u7247\uff0c\u89e3\u6790\u7684\u7ed3\u679c\u662f\u5f15\u7528\u7684url\uff0c\u901a\u8fc7\u7ba1\u9053\u628aurl\u4f20\u7ed9shell\u811a\u672c\uff0c\u7531shell\u811a\u672c\u8fdb\u884c\u5efa\u7acb\u76ee\u5f55\u548c\u62f7\u8d1d\u6587\u4ef6\u3002<br \/>\n\u5f53\u7136\uff0c\u8fd9\u4e2a\u4f9d\u8d56\u4e8e\u7f8e\u5de5\u826f\u597d\u7684\u7f16\u5199\u98ce\u683c\uff0c\u4e0d\u5728html\u91cc\u5f15\u7528\u56fe\u7247\u5565\u7684\uff0chtml\u7684\u6807\u7b7e\u90fd\u5199\u6210\u4e00\u884c\u7b49\u7b49\u3002\u5982\u679c\u7f16\u5199\u6ca1\u6709\u4e00\u81f4\u7684\u98ce\u683c\u5c31\u589e\u52a0\u89e3\u6790\u96be\u5ea6\u4e86\u3002<\/p>\n<p>html\u91cc\u4e3b\u8981\u5339\u914d\u4e0b\u9762\u8fd9\u6837\u7684\u6807\u7b7e\uff1a<br \/>\n<code>&lt;script charset=\"gb2312\" src=\"path\/to\/js\" type=\"text\/javascript\"&gt;&lt;\/script&gt;<\/code><br \/>\n<code>&lt;link href=\"path\/to\/css\" &gt;<\/code><\/p>\n<p>css\u91cc\u4e3b\u8981\u5339\u914d\u4e0b\u9762\u8fd9\u6837\u7684\uff1a<br \/>\n<code>....background:url('url\/to\/image');<\/code><\/p>\n<p>\u4e0b\u9762\u662f\u6211\u7684\u4ee3\u7801\uff08\u5176\u5b9e\u662f\u5199\u6210\u4e00\u884c\u7684\uff09\uff1a<\/p>\n<pre><code>\ncat *.html\n     | sed -n -e \"\/<link.*href=\\\"[^\\\"]*\\\".*\/{s\/<link.*href=\\\"\\([^\\\"]*\\)\\\".*>\/\\1\/g;p};  \/<script.*src=\\\"[^\\\"]*\\\".*\/{s\/<script.*src=\\\"\\([^\\\"]*\\)\\\".*>.*\/\\1\/g; p}\"\n     | sed \"{s\/^[ \\t]*\/\/g}\"\n     | sort | uniq\n     | cp.sh\n\ncat .\/css\/*.css\n     | sed -n -e \"\/.*url([^)]*).*\/{s\/.*(\\([^)]*\\)).*\/\\1\/g; p}\"\n     | sort | uniq\n     | cp.sh\n<\/code><\/pre>\n<p>shell\u811a\u672ccp.sh\u4e3b\u8981\u5efa\u7acb\u76ee\u5f55\uff0c\u5e76\u6267\u884c\u62f7\u8d1d\uff1a<\/p>\n<pre><code>\ndstDir=\/d\/clearDir\/UI\/\n\nread url\n\nwhile [ ! -z \"$url\" ]\ndo\n     dir=`dirname $url`\n     #[ ! -z $dir ] mkdir -p $dstDir$dir\n     mkdir -p $dstDir$dir\n     cp $url $dstDir$url\n     read url\ndone\n<\/code><\/pre>\n<h2>\u53c2\u8003\u8d44\u6599<\/h2>\n<ul>\n<li>\u9177\u58f3  \u300ased \u7b80\u660e\u6559\u7a0b\u300b  <a href=\"http:\/\/coolshell.cn\/articles\/9104.html\">http:\/\/coolshell.cn\/articles\/9104.html<\/a>   <\/li>\n<li>\u300aSed\u5b66\u4e60\u7b14\u8bb0\u300b <a href=\"http:\/\/man.lupaworld.com\/content\/manage\/ringkee\/sed.htm\">http:\/\/man.lupaworld.com\/content\/manage\/ringkee\/sed.htm<\/a>  <\/li>\n<li>\u300ased&amp;awk\u300b\u8bfb\u4e66\u7b14\u8bb0\u4e4bsed\u7bc7  <a href=\"http:\/\/blog.jobbole.com\/31026\/\">http:\/\/blog.jobbole.com\/31026\/<\/a><\/li>\n<li><strong>google<\/strong>  <a href=\"http:\/\/www.google.com\">http:\/\/www.google.com<\/a><\/li>\n<\/ul>\n<hr\/>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: <strong>coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"258\" height=\"258\" src=\"https:\/\/coderbee.net\/wp-content\/uploads\/2019\/01\/coderbee-note.jpg\" class=\"alignnone size-full wp-image-1707\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>sed \u7b80\u4ecb sed\uff08stream editor\uff09\u662f\u4e00\u4e2a\u6d41\u7f16\u8f91\u5668\uff0c\u4e00\u6b21\u5904\u7406\u6d41\u7684\u4e00 &hellip; <a href=\"https:\/\/coderbee.net\/index.php\/linux\/20130421\/20\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/20"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=20"}],"version-history":[{"count":3,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/20\/revisions"}],"predecessor-version":[{"id":69,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/20\/revisions\/69"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=20"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=20"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=20"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}