{"id":61794,"date":"2026-01-18T15:59:13","date_gmt":"2026-01-18T07:59:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/61794.html"},"modified":"2026-01-18T15:59:13","modified_gmt":"2026-01-18T07:59:13","slug":"0109linux%e5%ad%a6%e4%b9%a0%e6%97%a5%e5%bf%97-%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/61794.html","title":{"rendered":"0109Linux\u5b66\u4e60\u65e5\u5fd7\u2014\u2014\u6b63\u5219\u8868\u8fbe\u5f0f"},"content":{"rendered":"<h2>\u4e00\u3001\u6587\u672c\u5904\u7406\u5de5\u5177<\/h2>\n<p>1.grep&#xff08;global regular expression print&#xff09;&#xff1a;\u884c\u5904\u7406\u5de5\u5177&#xff0c;\u53ef\u4ee5\u5339\u914d\u5173\u952e\u5b57\u6216\u6b63\u5219\u8868\u8fbe\u5f0f&#xff0c;\u5e76\u9ed8\u8ba4\u628a\u6574\u884c\u5185\u5bb9\u8f93\u51fa\u5230\u7ec8\u7aef\u4e0a&#xff0c;\u65f6\u65e5\u5e38\u67e5\u627e\u6587\u672c\u6700\u5e38\u7528\u7684\u5de5\u5177\u3002<\/p>\n<p>2.sed&#xff08;stream editor&#xff09;&#xff1a;\u6d41\u5f0f\u7f16\u8f91\u5668&#xff0c;\u6838\u5fc3\u4f5c\u7528\u662f\u6d41\u5f0f\u7f16\u8f91\u6587\u672c&#xff08;\u66ff\u6362\u3001\u5220\u9664\u3001\u63d2\u5165\u3001\u8ffd\u52a0\u7b49&#xff09;&#xff0c;\u9ed8\u8ba4\u4ec5\u8f93\u51fa\u5904\u7406\u7ed3\u679c&#xff0c;\u800c\u4e0d\u4fee\u6539\u539f\u6587\u4ef6\u3002<\/p>\n<p>3.awk&#xff1a;\u6587\u672c\u201c\u5206\u6790\u5904\u7406\u201d\u5de5\u5177&#xff0c;\u6838\u5fc3\u4f5c\u7528\u662f\u6309\u5206\u9694\u7b26\u62c6\u5206\u5b57\u6bb5&#xff0c;\u518d\u6309\u5217 \/ \u5b57\u6bb5\u5904\u7406\u6587\u672c&#xff0c;\u64c5\u957f\u6570\u636e\u63d0\u53d6\u3001\u7edf\u8ba1\u3001\u683c\u5f0f\u5316\u8f93\u51fa\u3002<\/p>\n<h3>\u5404\u6587\u672c\u5904\u7406\u5de5\u5177\u7684\u5e38\u7528\u9009\u9879<\/h3>\n<p>1.grep&#xff1a;<\/p>\n<ul>\n<li>\u6d4b\u8bd5\u6587\u672c\u5982\u4e0b&#xff1a;<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"322\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075909-696c92cdc46ef.png\" width=\"570\" \/><\/li>\n<li>-i \u2014\u2014 \u5ffd\u7565\u5927\u5c0f\u5199<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"108\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075909-696c92cde0355.png\" width=\"481\" \/><\/li>\n<li id=\"ud9add4d6\">-v \u2014\u2014 \u53cd\u5411\u5339\u914d<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"62\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075909-696c92cdec1d9.png\" width=\"490\" \/><\/li>\n<li id=\"u93bf2853\">-n \u2014\u2014 \u663e\u793a\u884c\u53f7<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"66\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075910-696c92ce03245.png\" width=\"469\" \/><\/li>\n<li id=\"u23788c74\">-c \u2014\u2014 \u53ea\u7edf\u8ba1\u5339\u914d\u884c\u6570<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"64\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075910-696c92ce10e03.png\" width=\"487\" \/><\/li>\n<li id=\"u89eceefd\">-l \u2014\u2014\u53ea\u663e\u793a\u5339\u914d\u7684\u6587\u4ef6\u540d<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"63\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075910-696c92ce1d599.png\" width=\"430\" \/><\/li>\n<li id=\"ub2a9f4dc\">-L \u2014\u2014 \u53ea\u663e\u793a\u4e0d\u5339\u914d\u7684\u6587\u4ef6\u540d<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"110\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075910-696c92ce2acf3.png\" width=\"420\" \/><\/li>\n<li id=\"u31764b76\">-w \u2014\u2014 \u5339\u914d\u6574\u4e2a\u5355\u8bcd&#xff0c;\u533a\u5206\u5355\u8bcd\u4e2d\u5305\u542b\u5173\u952e\u5b57\u7684\u60c5\u51b5<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"163\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075910-696c92ce82cd6.png\" width=\"447\" \/><\/li>\n<li id=\"u534753be\">-x \u2014\u2014 \u5339\u914d\u6574\u884c&#xff0c;\u4ee5\u5173\u952e\u5b57\u4f5c\u4e3a\u6574\u884c\u5185\u5bb9\u8fdb\u884c\u5339\u914d<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"126\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075910-696c92cebd305.png\" width=\"537\" \/><\/li>\n<li id=\"u09f2fb08\">-o \u2014\u2014 \u53ea\u8f93\u51fa\u5339\u914d\u90e8\u5206<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"149\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075911-696c92cf0de20.png\" width=\"452\" \/><\/li>\n<li id=\"u7626a464\">-E \u2014\u2014 \u4f7f\u7528\u6269\u5c55\u6b63\u5219<\/li>\n<li id=\"u23e3792a\">-A n \u2014\u2014 \u663e\u793a\u5339\u914d\u884c\u53ca\u540en\u884c<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"144\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075911-696c92cf68661.png\" width=\"471\" \/><\/li>\n<li id=\"u2fe8feef\">-B n \u2014\u2014 \u663e\u793a\u5339\u914d\u884c\u53ca\u524dn\u884c<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"143\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075911-696c92cfad502.png\" width=\"467\" \/><\/li>\n<li id=\"ue8835238\">-C n \u2014\u2014 \u663e\u793a\u5339\u914d\u884c\u53ca\u524d\u540e\u5404n\u884c<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"186\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075911-696c92cfd7013.png\" width=\"469\" \/><\/li>\n<li id=\"ufdbb4d84\">-r \u2014\u2014 \u9012\u5f52\u641c\u7d22\u76ee\u5f55<\/li>\n<li id=\"ud8d38b42\">-q \u2014\u2014 \u9759\u9ed8\u6a21\u5f0f&#xff0c;\u4e0d\u8f93\u51fa<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"47\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075911-696c92cff152b.png\" width=\"449\" \/><\/li>\n<\/ul>\n<p>2.sed<\/p>\n<ul>\n<li id=\"u1c5b4cb3\">-i \u2014\u2014 sed\u7684\u5904\u7406\u52a8\u4f5c\u540c\u6b65\u751f\u6548\u4e0e\u539f\u6587\u4ef6<\/li>\n<li id=\"ua7853765\">-n \u2014\u2014 \u8fdb\u884cprint\u52a8\u4f5c\u65f6\u9700\u8981\u6dfb\u52a0<\/li>\n<li id=\"u14a66b71\">-n &#039;3p&#039; filename \u2014\u2014 \u6253\u5370\u7b2c\u4e09\u884c<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"74\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075912-696c92d00b66e.png\" width=\"435\" \/><\/li>\n<li id=\"uf38ff46b\">-n &#039;2,5p&#039; filename \u2014\u2014 \u6253\u5370\u4e8c\u5230\u4e94\u884c<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"129\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075912-696c92d03478d.png\" width=\"455\" \/><\/li>\n<li id=\"u0ee6e9f8\">-n &#039;$p&#039; filename \u2014\u2014 \u6253\u5370\u6700\u540e\u4e00\u884c<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"73\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075912-696c92d05bb20.png\" width=\"519\" \/><\/li>\n<li id=\"uafbba902\">-n &#039;1~2p&#039; filename \u2014\u2014 \u6253\u5370\u5947\u6570\u884c&#xff08;\u4ece\u7b2c1\u884c\u5f00\u59cb\u6bcf\u96942\u884c\u6253\u5370&#xff09;<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"211\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075912-696c92d07aa68.png\" width=\"575\" \/><\/li>\n<li id=\"uc58f8b59\">-n &#039;2~2p&#039; filename \u2014\u2014 \u6253\u5370\u5076\u6570\u884c&#xff08;\u4ece\u7b2c2\u884c\u5f00\u59cb\u6bcf\u96942\u884c\u6253\u5370&#xff09;<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"192\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075912-696c92d09563d.png\" width=\"586\" \/><\/li>\n<li id=\"uddf52af3\">-n &#039;\/a\/p&#039; filename \u2014\u2014 \u6253\u5370\u5305\u542ba\u7684\u884c<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"109\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118075912-696c92d0a6140.png\" width=\"465\" \/><\/li>\n<li id=\"u470eb0b9\">&#039;s\/old\/new\/g&#039; \u2014\u2014 s\u8868\u793a\u66ff\u6362&#xff0c;g\u8868\u793a\u5168\u5c40<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"84\" src=\"2026-01-18rxk2sslvocp.png\" width=\"531\" \/><\/li>\n<li id=\"ud1446bdd\">&#039;s\/old\/new\/g; s\/old1\/new1\/g&#039; \u2014\u2014 \u540c\u65f6\u6267\u884c\u591a\u4e2a\u6307\u4ee4\u7528\u201c&#xff1b; \u201d\u9694\u5f00<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"346\" src=\"2026-01-18auyotbitghm.png\" width=\"673\" \/><\/li>\n<\/ul>\n<p>3.awk<\/p>\n<ul>\n<li>\u6d4b\u8bd5\u6587\u672c\u5982\u4e0b<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"190\" src=\"2026-01-18oqbphhaeyrr.png\" width=\"668\" \/><\/li>\n<li>-F\u2014\u2014\u6307\u5b9a\u5206\u9694\u7b26<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"189\" src=\"2026-01-18yl4lkltcqon.png\" width=\"596\" \/><\/li>\n<li>\u6307\u5b9a\u6761\u4ef6\u8fc7\u6ee4<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"73\" src=\"2026-01-18j2mmn1ankdn.png\" width=\"647\" \/><\/li>\n<\/ul>\n<h2>\u4e8c\u3001\u57fa\u672c\u6b63\u5219\u8868\u8fbe\u5f0f<\/h2>\n<p id=\"u741e4b43\">( ) : \u5c0f\u62ec\u53f7&#xff0c;\u8868\u793a\u5206\u7ec4<\/p>\n<p id=\"u3c31306f\">[ ] &#xff1a;\u8868\u793a\u5339\u914d1\u4e2a\u5b57\u7b26\u4e32<\/p>\n<p id=\"u013eb14d\">{ } &#xff1a;\u8868\u793a\u5339\u914d\u51fa\u73b0\u7684\u9891\u6b21<\/p>\n<h3>\u5b57\u7b26\u5339\u914d<\/h3>\n<table>\n<tbody>\n<tr>\n<td>\n<p id=\"udd65001a\">\u5143\u5b57\u7b26<\/p>\n<\/td>\n<td>\n<p id=\"ua8c18ee7\">\u542b\u4e49<\/p>\n<\/td>\n<td>\n<p id=\"u7e4a209d\">\u793a\u4f8b<\/p>\n<\/td>\n<td>\n<p id=\"uf3953e72\">\u5339\u914d<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u7767a969\">.<\/p>\n<\/td>\n<td>\n<p id=\"u03a7aead\">\u5339\u914d\u4efb\u610f\u5355\u4e2a\u5b57\u7b26<\/p>\n<\/td>\n<td>\n<p id=\"u3843f9cc\">a.c<\/p>\n<\/td>\n<td>\n<p id=\"u415456f4\">abc,adc,a1c,a c<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u9ad58baf\">[ ]<\/p>\n<\/td>\n<td>\n<p id=\"uc11c0b6a\">\u5339\u914d\u62ec\u53f7\u5185\u4efb\u610f\u4e00\u4e2a\u5b57\u7b26<\/p>\n<\/td>\n<td>\n<p id=\"uef3941c5\">[abc]<\/p>\n<\/td>\n<td>\n<p id=\"ub1852acc\">a\u6216b\u6216c<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"ue131acba\">[^ ]<\/p>\n<\/td>\n<td>\n<p id=\"u14a91bd6\">\u5339\u914d\u4e0d\u5728\u62ec\u53f7\u5185\u7684\u5b57\u7b26<\/p>\n<\/td>\n<td>\n<p id=\"u89d4a7f8\">[^abc]<\/p>\n<\/td>\n<td>\n<p id=\"uba65e365\">\u9664a&#xff0c;bc\u5916\u7684\u4efb\u610f\u5b57\u7b26<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u2dd1f7ee\">[a-z]<\/p>\n<\/td>\n<td>\n<p id=\"u9c64faf0\">\u5339\u914d\u8303\u56f4\u5185\u7684\u5b57\u7b26<\/p>\n<\/td>\n<td>\n<p id=\"ua5801415\">[a-z]<\/p>\n<\/td>\n<td>\n<p id=\"u9faeec75\">\u4efb\u610f\u5c0f\u5199\u5b57\u6bcd<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u548ec980\">[0-9]<\/p>\n<\/td>\n<td>\n<p id=\"u03ba189e\">\u5339\u914d\u6570\u5b57<\/p>\n<\/td>\n<td>\n<p id=\"uf7a298ee\">[0-9]<\/p>\n<\/td>\n<td>\n<p id=\"uc578a8f6\">\u4efb\u610f\u6570\u5b57<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4f4d\u7f6e\u951a\u5b9a<\/h3>\n<table>\n<tbody>\n<tr>\n<td>\n<p id=\"uc64c47eb\">\u5143\u5b57\u7b26<\/p>\n<\/td>\n<td>\n<p id=\"uce088ed8\">\u542b\u4e49<\/p>\n<\/td>\n<td>\n<p id=\"ua9472938\">\u793a\u4f8b<\/p>\n<\/td>\n<td>\n<p id=\"ue270715f\">\u5339\u914d<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u39428220\">^<\/p>\n<\/td>\n<td>\n<p id=\"u808c7129\">\u884c\u9996<\/p>\n<\/td>\n<td>\n<p id=\"u255943a8\">^hello<\/p>\n<\/td>\n<td>\n<p id=\"u323239b8\">\u4ee5hello\u5f00\u5934\u7684\u884c<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u709d1c24\">$<\/p>\n<\/td>\n<td>\n<p id=\"ubcd9ae3b\">\u884c\u5c3e<\/p>\n<\/td>\n<td>\n<p id=\"uc3d5951d\">world$<\/p>\n<\/td>\n<td>\n<p id=\"u0e3adbe2\">\u4ee5world\u7ed3\u5c3e\u7684\u884c<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"ub802613d\">^$<\/p>\n<\/td>\n<td>\n<p id=\"u7777d312\">\u7a7a\u884c<\/p>\n<\/td>\n<td>\n<p id=\"ua3e054d4\">^$<\/p>\n<\/td>\n<td>\n<p id=\"u1e0e6d43\">\u7a7a\u767d\u884c<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"ue05f249c\">\\\\&lt;<\/p>\n<\/td>\n<td>\n<p id=\"uc7545d6f\">\u8bcd\u9996<\/p>\n<\/td>\n<td>\n<p id=\"uc64cea99\">\\\\&lt;the<\/p>\n<\/td>\n<td>\n<p id=\"ub816f6b0\">the,them,theatre<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u98452177\">\\\\&gt;<\/p>\n<\/td>\n<td>\n<p id=\"u6352fcf7\">\u8bcd\u5c3e<\/p>\n<\/td>\n<td>\n<p id=\"u788efa40\">the\\\\&gt;<\/p>\n<\/td>\n<td>\n<p id=\"u6848b721\">the,bathe<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"ucdab8708\">\\\\b<\/p>\n<\/td>\n<td>\n<p id=\"udcb38222\">\u8bcd\u8fb9\u754c<\/p>\n<\/td>\n<td>\n<p id=\"u2fa73db1\">\\\\bthe\\\\b<\/p>\n<\/td>\n<td>\n<p id=\"uaba2e899\">\u53ea\u5339\u914d\u72ec\u7acb\u7684the<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u6b21\u6570\u5339\u914d<\/h3>\n<table>\n<tbody>\n<tr>\n<td>\n<p id=\"u88fa6006\">\u5143\u5b57\u7b26<\/p>\n<\/td>\n<td>\n<p id=\"u88abb9d7\">\u542b\u4e49<\/p>\n<\/td>\n<td>\n<p id=\"uae1ab961\">\u793a\u4f8b<\/p>\n<\/td>\n<td>\n<p id=\"ubb8da86e\">\u5339\u914d<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u8729dc05\">*<\/p>\n<\/td>\n<td>\n<p id=\"u718196a7\">\u524d\u4e00\u4e2a\u5b57\u7b26\u51fa\u73b00\u6b21\u6216\u591a\u6b21<\/p>\n<\/td>\n<td>\n<p id=\"u1c341a41\">ab*c<\/p>\n<\/td>\n<td>\n<p id=\"uacde42e1\">ac,abc,abbc,abbbc<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u445e7c63\">\\\\&#043;<\/p>\n<\/td>\n<td>\n<p id=\"u3a74ba9e\">\u524d\u4e00\u4e2a\u5b57\u7b26\u51fa\u73b01\u6b21\u6216\u591a\u6b21<\/p>\n<\/td>\n<td>\n<p id=\"uf4d2b3c1\">ab\\\\&#043;c<\/p>\n<\/td>\n<td>\n<p id=\"u77153989\">abc,abbc,abbbc<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u48a66834\">\\\\?<\/p>\n<\/td>\n<td>\n<p id=\"ub8cd363b\">\u524d\u4e00\u4e2a\u5b57\u7b26\u51fa\u73b00\u6b21\u62161\u6b21<\/p>\n<\/td>\n<td>\n<p id=\"uf12bd16b\">ab\\\\?c<\/p>\n<\/td>\n<td>\n<p id=\"uf13c28af\">ac,abc<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u9d459c7a\">\\\\{n\\\\}<\/p>\n<\/td>\n<td>\n<p id=\"uc12376e0\">\u524d\u4e00\u4e2a\u5b57\u7b26\u6070\u597d\u51fa\u73b0n\u6b21<\/p>\n<\/td>\n<td>\n<p id=\"u149e840f\">a\\\\{3\\\\}<\/p>\n<\/td>\n<td>\n<p id=\"u9fe915c1\">aaa<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"ubd20454a\">\\\\{n,\\\\}<\/p>\n<\/td>\n<td>\n<p id=\"ufbdf0f88\">\u524d\u4e00\u4e2a\u5b57\u7b26\u81f3\u5c11\u51fa\u73b0n\u6b21<\/p>\n<\/td>\n<td>\n<p id=\"u0dbeb404\">a\\\\{3,\\\\}<\/p>\n<\/td>\n<td>\n<p id=\"uda1937b1\">aaa,aaaa,aaaaa<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u4f311674\">\\\\{n,m\\\\}<\/p>\n<\/td>\n<td>\n<p id=\"u1bd7cd63\">\u524d\u4e00\u4e2a\u5b57\u7b26\u51fa\u73b0n\u5230m\u6b21<\/p>\n<\/td>\n<td>\n<p id=\"u80567331\">a\\\\{2,4\\\\}<\/p>\n<\/td>\n<td>\n<p id=\"u9d761289\">aa,aaa,aaaa<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5206\u7ec4\u4e0e\u5f15\u7528<\/h3>\n<table>\n<tbody>\n<tr>\n<td>\n<p id=\"u5c70e622\">\u5143\u5b57\u7b26<\/p>\n<\/td>\n<td>\n<p id=\"u6ec8fee7\">\u542b\u4e49<\/p>\n<\/td>\n<td>\n<p id=\"ube079486\">\u793a\u4f8b<\/p>\n<\/td>\n<td>\n<p id=\"u3528f30f\">\u5339\u914d<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"ue54bf12b\">\\\\(\\\\)<\/p>\n<\/td>\n<td>\n<p id=\"uc9dce435\">\u5206\u7ec4<\/p>\n<\/td>\n<td>\n<p id=\"u277919aa\">\\\\(ab\\\\)*<\/p>\n<\/td>\n<td>\n<p id=\"ua02c6742\">ab\u6574\u4f53\u91cd\u590d0\u6b21\u6216\u591a\u6b21<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"uc0f3c5ef\">\\\\1<\/p>\n<\/td>\n<td>\n<p id=\"u3aa7b60a\">\u53cd\u5411\u5f15\u7528\u7b2c1\u4e2a\u5206\u7ec4<\/p>\n<\/td>\n<td>\n<p id=\"u45455b1d\">\\\\(.\\\\)\\\\1<\/p>\n<\/td>\n<td>\n<p id=\"u5c2ce940\">\u5339\u914d\u8fde\u7eed\u4e24\u4e2a\u76f8\u540c\u5b57\u7b26<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5e38\u7528\u5b57\u7b26\u7c7b<\/h3>\n<table>\n<tbody>\n<tr>\n<td>\n<p id=\"u9b93e445\">\u5b57\u7b26\u7c7b<\/p>\n<\/td>\n<td>\n<p id=\"u5a09fcd9\">\u7b49\u4ef7\u4e8e<\/p>\n<\/td>\n<td>\n<p id=\"ue30203ee\">\u542b\u4e49<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u874dbfd8\">[[:alpha:]]<\/p>\n<\/td>\n<td>\n<p id=\"u65185a6b\">[a-zA-Z]<\/p>\n<\/td>\n<td>\n<p id=\"u685c8a25\">\u5b57\u6bcd<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"uaec9f2b7\">[[:digit:]]<\/p>\n<\/td>\n<td>\n<p id=\"u318faba2\">[0-9]<\/p>\n<\/td>\n<td>\n<p id=\"u052f83e1\">\u6570\u5b57<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"uf56a5514\">[[:alnum:]]<\/p>\n<\/td>\n<td>\n<p id=\"u9f150edb\">[a-zA-Z0-9]<\/p>\n<\/td>\n<td>\n<p id=\"u4353774f\">\u5b57\u6bcd\u548c\u6570\u5b57<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u7ec495a9\">[[:space:]]<\/p>\n<\/td>\n<td>\n<p id=\"u59bac90f\">\u7a7a\u767d\u5b57\u7b26<\/p>\n<\/td>\n<td>\n<p id=\"u60533027\">\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u884c\u7b49<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"u456c8bac\">[[:upper:]]<\/p>\n<\/td>\n<td>\n<p id=\"u15702e25\">[A-Z]<\/p>\n<\/td>\n<td>\n<p id=\"u13957537\">\u5927\u5199\u5b57\u6bcd<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"ua8011d21\">[[:lower:]]<\/p>\n<\/td>\n<td>\n<p id=\"ub75132c3\">[a-z]<\/p>\n<\/td>\n<td>\n<p id=\"u2051d739\">\u5c0f\u5199\u5b57\u6bcd<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p id=\"uaa1c68c6\">[[:punct:]]<\/p>\n<\/td>\n<td>\n<p id=\"u5e5c3d4d\">\u6807\u70b9\u7b26\u53f7<\/p>\n<\/td>\n<td>\n<p id=\"ue018be14\">\u6807\u70b9\u7b26\u53f7<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e09\u3001\u5176\u4ed6\u6587\u672c\u5904\u7406\u7684\u547d\u4ee4<\/h2>\n<h3 id=\"Mbbuk\">wc<\/h3>\n<ul>\n<li id=\"u96a60cd7\">\u7528\u4e8e\u7edf\u8ba1\u6587\u4ef6\u7684\u884c\u6570\u3001\u5355\u8bcd\u6570\u548c\u5b57\u8282\u6570\u3002<\/li>\n<li id=\"u87136620\">-l \u2014\u2014 \u7edf\u8ba1\u884c\u6570<\/li>\n<li id=\"ud5d35f68\">-w \u2014\u2014 \u7edf\u8ba1\u5355\u8bcd\u6570<\/li>\n<li id=\"u94a7e409\">-c \u2014\u2014 \u7edf\u8ba1\u5b57\u8282\u6570<\/li>\n<li id=\"u367df34a\">-m \u2014\u2014 \u7edf\u8ba1\u5b57\u7b26\u6570<\/li>\n<\/ul>\n<h3 id=\"Z1r5h\">sort<\/h3>\n<ul>\n<li id=\"uf6be1b38\">\u7528\u4e8e\u5bf9\u6587\u672c\u884c\u8fdb\u884c\u6392\u5e8f&#xff0c;\u9ed8\u8ba4\u6309ASC\u2161\u7801\u987a\u5e8f\u5347\u5e8f\u6392\u5217\u3002<\/li>\n<li id=\"u7871dd8a\">-n \u2014\u2014 \u6309\u6570\u503c\u6392\u5e8f<\/li>\n<li id=\"u26164f3a\">-r \u2014\u2014 \u964d\u5e8f&#xff08;\u9006\u5e8f&#xff09;\u6392\u5e8f<\/li>\n<li id=\"udedb7a1c\">-k \u2014\u2014 \u6309\u6307\u5b9a\u5217\u6392\u5e8f \u2014\u2014 sort -k2 filename<\/li>\n<li id=\"u34744ea0\">-t \u2014\u2014 \u6307\u5b9a\u5b57\u6bb5\u5206\u9694\u7b26 \u2014\u2014 sort -t: -k3 filename<\/li>\n<li id=\"u5972d45f\">-u \u2014\u2014 \u6392\u5e8f\u5e76\u53bb\u91cd<\/li>\n<li id=\"ufd11ba4c\">-f \u2014\u2014 \u5ffd\u7565\u5927\u5c0f\u5199<\/li>\n<li id=\"ue8357408\">-h \u2014\u2014 \u6309\u4eba\u7c7b\u53ef\u8bfb\u6570\u503c\u6392\u5e8f<\/li>\n<li id=\"u3aae0fa7\">-o \u2014\u2014 \u8f93\u51fa\u5230\u6307\u5b9a\u6587\u4ef6 \u2014\u2014 sort filename -o sorted_file<\/li>\n<li id=\"uf342846f\">-c \u2014\u2014 \u68c0\u67e5\u662f\u5426\u5df2\u6392\u5e8f<\/li>\n<li id=\"u3f24c32d\">-s \u2014\u2014 \u7a33\u5b9a\u6392\u5e8f<\/li>\n<li id=\"u11043130\">-M \u2014\u2014 \u6309\u6708\u4efd\u6392\u5e8f<\/li>\n<\/ul>\n<h3 id=\"YEfC6\">uniq<\/h3>\n<p id=\"ue5b1e6c3\">\u7528\u4e8e\u53bb\u9664\u6216\u7edf\u8ba1\u76f8\u90bb\u7684\u91cd\u590d\u884c\u3002\u7279\u70b9\u662f\u53ea\u5904\u7406\u76f8\u90bb\u7684\u91cd\u590d\u884c&#xff0c;\u6545\u901a\u5e38\u9700\u8981\u5148sort\u6392\u5e8f\u3002<\/p>\n<ul>\n<li id=\"ue35dfc14\">-c \u2014\u2014 \u7edf\u8ba1\u91cd\u590d\u6b21\u6570<\/li>\n<li id=\"u45032a7e\">-d \u2014\u2014 \u53ea\u663e\u793a\u91cd\u590d\u7684\u884c<\/li>\n<li id=\"u5bc31ebe\">-u \u2014\u2014 \u53ea\u663e\u793a\u4e0d\u91cd\u590d\u7684\u884c<\/li>\n<li id=\"u87285716\">-i \u2014\u2014 \u5ffd\u7565\u5927\u5c0f\u5199<\/li>\n<li id=\"u3e45bec6\">-f N \u2014\u2014 \u8df3\u8fc7\u524dN\u4e2a\u5b57\u6bb5<\/li>\n<li id=\"uae20cb67\">-s N \u2014\u2014 \u8df3\u8fc7\u524dN\u4e2a\u5b57\u7b26<\/li>\n<li id=\"u0140422b\">-w N \u2014\u2014 \u53ea\u6bd4\u8f83\u524dN\u4e2a\u5b57\u7b26<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6587\u672c\u5904\u7406\u5de5\u51771.grep&#xff08;global regular expression 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