{"id":65988,"date":"2026-01-26T01:32:51","date_gmt":"2026-01-25T17:32:51","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/65988.html"},"modified":"2026-01-26T01:32:51","modified_gmt":"2026-01-25T17:32:51","slug":"shell%e4%b8%89%e5%89%91%e5%ae%a2-grep","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/65988.html","title":{"rendered":"shell\u4e09\u5251\u5ba2---grep"},"content":{"rendered":"<p>1.grep\u7b80\u4ecb<\/p>\n<p>grep\u662fLinux\u4e2d\u6700\u5e38\u7528\u7684\u6587\u672c\u641c\u7d22\u5de5\u5177\u3002\u5b83\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u641c\u7d22\u6587\u672c&#xff0c;\u5e76\u628a\u5339\u914d\u7684\u884c\u6253\u5370\u51fa\u6765\u3002<\/p>\n<p>2.grep\u57fa\u672c\u8bed\u6cd5<\/p>\n<p>grep [\u9009\u9879] \u6a21\u5f0f [\u6587\u4ef6&#8230;]<\/p>\n<p>3.\u5e38\u7528\u9009\u9879<\/p>\n<p>grep &#034;pattern&#034; file.txt<\/p>\n<p>\u5728file.txt\u4e2d\u67e5\u627e\u5305\u542b&#034;pattern&#034;\u7684\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"41\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173244-697653bc9aeb4.png\" width=\"820\" \/><\/p>\n<p>grep -i &#034;pattern&#034; file.txt<\/p>\n<p>\u67e5\u627e\u5305\u542b&#034;pattern&#034;\u7684\u884c&#xff08;\u5ffd\u7565\u5927\u5c0f\u5199&#xff09;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"66\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173244-697653bcb37d7.png\" width=\"655\" \/><\/p>\n<p>grep -n &#034;pattern&#034; file.txt<\/p>\n<p>\u663e\u793a\u5339\u914d\u884c\u7684\u884c\u53f7<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"43\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173244-697653bcc4dfb.png\" width=\"564\" \/><\/p>\n<p>grep -c &#034;pattern&#034; file.txt<\/p>\n<p>\u7edf\u8ba1\u5339\u914d\u884c\u7684\u6570\u91cf<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"43\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173244-697653bce1320.png\" width=\"571\" \/><\/p>\n<p>grep -v &#034;pattern&#034; file.txt<\/p>\n<p>\u663e\u793a\u4e0d\u5305\u542b&#034;pattern&#034;\u7684\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"300\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173245-697653bd154de.png\" width=\"637\" \/><\/p>\n<p>grep -w &#034;line&#034; file.txt<\/p>\n<p>\u53ea\u5339\u914d\u5b8c\u6574\u7684\u5355\u8bcd&#034;line&#034;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"165\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173245-697653bd2bad4.png\" width=\"664\" \/>echo -e &#034;\\\\n&#061;&#061;&#061; \u9012\u5f52\u641c\u7d22\u76ee\u5f55 &#061;&#061;&#061;&#034;<br \/>\nmkdir -p testdir<br \/>\necho &#034;pattern in subdirectory&#034; &gt; testdir\/subfile.txt<br \/>\ngrep -r &#034;pattern&#034; .\/<\/p>\n<p>\u9012\u5f52\u641c\u7d22\u76ee\u5f55<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"264\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173245-697653bd412a5.png\" width=\"828\" \/><\/p>\n<p>grep -l &#034;pattern&#034; *.txt<\/p>\n<p>\u663e\u793a\u5305\u542b\u5339\u914d\u5185\u5bb9\u7684\u6587\u4ef6\u540d<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"44\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173245-697653bd6f7b8.png\" width=\"807\" \/><\/p>\n<p>grep -C 3 &#034;pattern&#034; file.txt<br \/>\n\u663e\u793a\u5339\u914d\u884c\u524d\u540e3\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"119\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173246-697653be52d3f.png\" width=\"675\" \/><\/p>\n<p>grep -q &#034;pattern&#034; file.txt &amp;&amp; echo &#034;pattern found&#034; || echo &#034;pattern not found&#034;<\/p>\n<p>\u9759\u9ed8\u6a21\u5f0f &#8211; \u53ea\u8fd4\u56de\u9000\u51fa\u72b6\u6001&#xff0c;\u4e0d\u663e\u793a\u8f93\u51fa<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"59\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173246-697653beaa2e0.png\" width=\"1049\" \/><\/p>\n<p>grep &#8211;color&#061;always &#034;pattern&#034; file.txt<\/p>\n<p>\u663e\u793a\u5339\u914d\u90e8\u5206\u5e76\u9ad8\u4eae<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"162\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173247-697653bf34f72.png\" width=\"705\" \/><\/p>\n<p>\u6b63\u5219\u8868\u8fbe\u5f0f<\/p>\n<p>grep &#034;^This&#034; file.txt<\/p>\n<p>\u67e5\u627e\u4ee5&#034;This&#034;\u5f00\u5934\u7684\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"124\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173247-697653bf892a0.png\" width=\"556\" \/><\/p>\n<p>grep &#034;file\\\\.$&#034; file.txt<\/p>\n<p>\u67e5\u627e\u4ee5&#034;file.&#034;\u7ed3\u5c3e\u7684\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"43\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173248-697653c01cf1b.png\" width=\"569\" \/><\/p>\n<p>grep &#034;T.h&#034; file.txt<\/p>\n<p>\u67e5\u627e\u4ee5&#034;T&#034;\u5f00\u5934&#xff0c;\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4efb\u610f&#xff0c;\u7b2c\u4e09\u4e2a\u5b57\u7b26\u662f&#034;h&#034;\u7684\u6a21\u5f0f<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"42\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173248-697653c079b8f.png\" width=\"581\" \/><\/p>\n<p>grep &#034;a*&#034; file.txt<\/p>\n<p>\u67e5\u627e\u5305\u542b0\u4e2a\u6216\u591a\u4e2a&#034;a&#034;\u7684\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"320\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173248-697653c0ee457.png\" width=\"563\" \/><\/p>\n<p>grep &#034;[abc]&#034; file.txt<\/p>\n<p>\u67e5\u627e\u5305\u542ba\u3001b\u6216c\u7684\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"246\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173249-697653c1721a3.png\" width=\"523\" \/><\/p>\n<p>grep &#034;[a-z]&#034; file.txt<br \/>\n\u67e5\u627e\u5305\u542b\u5c0f\u5199\u5b57\u6bcd\u7684\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"304\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173249-697653c1a64f3.png\" width=\"537\" \/><\/p>\n<p>grep &#034;[^abc]&#034; file.txt<\/p>\n<p>\u67e5\u627e\u4e0d\u5305\u542ba\u3001b\u3001c\u7684\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"302\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173249-697653c1bf384.png\" width=\"547\" \/><\/p>\n<p>\u6269\u5c55\u6b63\u5219\u8868\u8fbe\u5f0f<\/p>\n<p>egrep &#034;a&#043;&#034; file.txt<\/p>\n<p>\u4e00\u4e2a\u6216\u591a\u4e2aa<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"204\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173250-697653c2053f8.png\" width=\"528\" \/><\/p>\n<p>egrep &#034;a{2,5}&#034; file.txt<\/p>\n<p>2\u52305\u4e2aa<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"39\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173250-697653c265e9f.png\" width=\"493\" \/><\/p>\n<p>egrep &#034;a|b&#034; file.txt<\/p>\n<p>\u00a0a\u6216b\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"241\" src=\"2026-01-26jubpjycgpnb.png\" width=\"530\" \/><\/p>\n<p>egrep &#034;(ab)&#043;&#034; file.txt<\/p>\n<p>ab\u7ec4\u5408\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"45\" src=\"2026-01-26whv1rbbq21a.png\" width=\"541\" \/><\/p>\n<p>\u5e38\u7528\u793a\u4f8b&#xff1a;<\/p>\n<p>grep &#034;^john:&#034; passwd<\/p>\n<p>\u67e5\u627e\u7528\u6237\u4fe1\u606f<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"43\" src=\"2026-01-265g5r1ai15uo.png\" width=\"522\" \/><\/p>\n<p>grep &#034;40[34]&#034; access.log<\/p>\n<p>\u67e5\u627e\u9519\u8bef\u65e5\u5fd7<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"116\" src=\"2026-01-26g3x3qpzlpr3.png\" width=\"947\" \/><\/p>\n<p>grep -E &#034;[0-9]{1,3}\\\\.[0-9]{1,3}\\\\.[0-9]{1,3}\\\\.[0-9]{1,3}&#034; access.log<\/p>\n<p>\u67e5\u627eIP\u5730\u5740<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"226\" src=\"2026-01-26paz15uhutrt.png\" width=\"957\" \/><\/p>\n<p>grep &#034;POST&#034; access.log<\/p>\n<p>\u67e5\u627e\u7279\u5b9aHTTP\u65b9\u6cd5<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"89\" src=\"2026-01-2641c2djf2hpp.png\" width=\"963\" \/><\/p>\n<p>grep -c &#034;pattern&#034; file.txt<\/p>\n<p>\u7edf\u8ba1\u5305\u542b&#039;pattern&#039;\u7684\u884c\u6570<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"45\" src=\"2026-01-26cuu4mmbgtqs.png\" width=\"509\" \/><\/p>\n<p>grep &#034;^$&#034; file.txt<\/p>\n<p>\u67e5\u627e\u7a7a\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"41\" src=\"2026-01-26uluujvumsl1.png\" width=\"464\" \/><\/p>\n<p>grep &#034;[0-9]&#034; file.txt<\/p>\n<p>\u67e5\u627e\u5305\u542b\u6570\u5b57\u7684\u884c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"46\" src=\"2026-01-265cgcnfcwp2h.png\" width=\"513\" \/><\/p>\n<p>echo &#034;Contact: john&#064;example.com, mary&#064;test.org&#034; | grep -E &#034;[a-zA-Z0-9._%&#043;-]&#043;&#064;[a-zA-Z0-9.-]&#043;\\\\.[a-zA-Z]{2,}&#034;<\/p>\n<p>\u67e5\u627e\u90ae\u7bb1\u5730\u5740<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"65\" src=\"2026-01-26fmzzruimfw2.png\" width=\"983\" \/><\/p>\n<\/p>\n<\/p>\n<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.grep\u7b80\u4ecbgrep\u662fLinux\u4e2d\u6700\u5e38\u7528\u7684\u6587\u672c\u641c\u7d22\u5de5\u5177\u3002\u5b83\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u641c\u7d22\u6587\u672c&#xff0c;\u5e76\u628a\u5339\u914d\u7684\u884c\u6253\u5370\u51fa\u6765\u30022.grep\u57fa\u672c\u8bed\u6cd5grep [\u9009\u9879] \u6a21\u5f0f [\u6587\u4ef6&#8230;]3.\u5e38\u7528\u9009\u9879grep \\&#8221;pattern\\&#8221; file.txt\u5728file.txt\u4e2d\u67e5\u627e\u5305\u542b\\&#8221;pattern\\&#8221;\u7684\u884cgrep -i \\&#8221;pattern\\&#8221; file.txt\u67e5\u627e\u5305\u542b\\&#8221;pattern\\&#8221;\u7684\u884c&#xff08;\u5ffd\u7565\u5927\u5c0f\u5199&#xff09;grep -n \\&#8221;pattern\\&#8221; file.txt\u663e\u793a\u5339\u914d\u884c\u7684\u884c<\/p>\n","protected":false},"author":2,"featured_media":65968,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,763,44],"topic":[],"class_list":["post-65988","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-763","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>shell\u4e09\u5251\u5ba2-grep - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/65988.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"shell\u4e09\u5251\u5ba2-grep - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"1.grep\u7b80\u4ecbgrep\u662fLinux\u4e2d\u6700\u5e38\u7528\u7684\u6587\u672c\u641c\u7d22\u5de5\u5177\u3002\u5b83\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u641c\u7d22\u6587\u672c&#xff0c;\u5e76\u628a\u5339\u914d\u7684\u884c\u6253\u5370\u51fa\u6765\u30022.grep\u57fa\u672c\u8bed\u6cd5grep [\u9009\u9879] \u6a21\u5f0f [\u6587\u4ef6...]3.\u5e38\u7528\u9009\u9879grep &quot;pattern&quot; file.txt\u5728file.txt\u4e2d\u67e5\u627e\u5305\u542b&quot;pattern&quot;\u7684\u884cgrep -i &quot;pattern&quot; file.txt\u67e5\u627e\u5305\u542b&quot;pattern&quot;\u7684\u884c&#xff08;\u5ffd\u7565\u5927\u5c0f\u5199&#xff09;grep -n &quot;pattern&quot; file.txt\u663e\u793a\u5339\u914d\u884c\u7684\u884c\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/65988.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-25T17:32:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125173244-697653bc9aeb4.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/65988.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/65988.html\",\"name\":\"shell\u4e09\u5251\u5ba2-grep - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-01-25T17:32:51+00:00\",\"dateModified\":\"2026-01-25T17:32:51+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/65988.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/65988.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/65988.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"shell\u4e09\u5251\u5ba2---grep\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required 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