{"id":203,"date":"2024-03-01T13:57:48","date_gmt":"2024-03-01T05:57:48","guid":{"rendered":"https:\/\/www.xxiaoteng.cn\/?p=203"},"modified":"2026-05-11T21:17:55","modified_gmt":"2026-05-11T13:17:55","slug":"shell%e4%b8%89%e5%89%91%e5%ae%a2%e4%b9%8bgrep%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.xxiaoteng.cn\/?p=203","title":{"rendered":"Shell\u4e09\u5251\u5ba2\u4e4bgrep\u6307\u4ee4"},"content":{"rendered":"\n

1. grep\u57fa\u672c\u8bed\u6cd5<\/h2>\n\n\n\n

grep\u4e3b\u8981\u4f5c\u7528\uff1a\u8fc7\u6ee4\u6765\u81ea\u4e00\u4e2a\u6587\u4ef6\u6216\u6807\u51c6\u8f93\u5165\u5339\u914d\u6a21\u5f0f\u5185\u5bb9\uff08\u67e5\u627e\u3001\u8fc7\u6ee4\uff09\u3002<\/p>\n\n\n\n

\u9664\u4e86 grep \u5916\uff0c\u8fd8\u6709 egrep\u3002egrep \u662f grep \u7684\u6269\u5c55\uff0c\u76f8\u5f53\u4e8e grep -E<\/code>\u3002<\/p>\n\n\n\n

\u57fa\u672c\u8bed\u6cd5\uff1agrep [OPTION]... PATTERN [FILE]...<\/code><\/p>\n\n\n\n

\u8bb0\u4f4f\uff1a\u90fd\u662f\u5e38\u89c1\u4e00\u4e9b\u9009\u9879<\/p>\n\n\n\n

\u652f\u6301\u7684\u6b63\u5219<\/td>\u63cf\u8ff0<\/td><\/tr>
-E,--extended-regexp<\/td>\u6a21\u5f0f\u662f\u6269\u5c55\u6b63\u5219\u8868\u8fbe\u5f0f(ERE) => \u5b57\u7b26\u7c07\u3001()\u3001|\u6216<\/td><\/tr>
-P,--perl-regexp<\/td>\u6a21\u5f0f\u662fPerl\u6b63\u5219\u8868\u8fbe\u5f0f => \\d\u3001\\w\u3001\\s<\/td><\/tr>
-i,--ignore-case<\/td>\u5ffd\u7565\u5927\u5c0f\u5199<\/td><\/tr>
-w,--word-regexp<\/td>\u6a21\u5f0f\u5339\u914d\u6574\u4e2a\u5355\u8bcd<\/td><\/tr>
-v\uff0c--invert-match<\/td>\u6253\u5370\u4e0d\u5339\u914d\u7684\u884c\uff08\u53d6\u53cd\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>\n\n\n\n

\u8f93\u51fa\u63a7\u5236<\/td>\u63cf\u8ff0<\/td><\/tr>
-n,--line-number<\/td>\u6253\u5370\u884c\u53f7<\/td><\/tr>
-o,--only-matching<\/td>\u53ea\u6253\u5370\u5339\u914d\u7684\u5185\u5bb9<\/td><\/tr>
-r,--recursive<\/td>\u9012\u5f52\u76ee\u5f55<\/td><\/tr>
-c,--count<\/td>\u7edf\u8ba1\u5339\u914d\u884c\u6570<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

2. grep\u6848\u4f8b\u6f14\u793a<\/h2>\n\n\n\n

\u51c6\u5907\u6570\u636e\u96c6<\/p>\n\n\n\n

# vim demo.txt\nHello, this is an example file.\nIt contains some lines of text.\nLet's use grep to search for specific patterns.<\/code><\/pre>\n\n\n\n
\u6848\u4f8b1\uff1a\u5728\u6587\u4ef6\u4e2d\u641c\u7d22\u5305\u542b\u5355\u8bcd \"example\" \u7684\u884c<\/p>\n\n\n\n
# grep "example" demo.txt<\/code><\/pre>\n\n\n\n
\u6848\u4f8b2\uff1a\u5ffd\u7565\u5927\u5c0f\u5199\u5730\u641c\u7d22\u5339\u914d\u6a21\u5f0f\u7684\u884c<\/p>\n\n\n\n
\u5728\u6587\u4ef6\u4e2d\u641c\u7d22\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u7684\u5355\u8bcd "hello"\u7684\u884c\n# grep -i "hello" demo.txt<\/code><\/pre>\n\n\n\n
\u6848\u4f8b3\uff1a\u53cd\u8f6c\u5339\u914d\uff0c\u53ea\u6253\u5370\u4e0d\u5339\u914d\u6a21\u5f0f\u7684\u884c<\/p>\n\n\n\n
\u5728\u6587\u4ef6\u4e2d\u641c\u7d22\u4e0d\u5305\u542b"text"\u7684\u884c\n# grep -v "text" demo.txt<\/code><\/pre>\n\n\n\n
\u6848\u4f8b4\uff1a\u663e\u793a\u5339\u914d\u884c\u7684\u884c\u53f7<\/p>\n\n\n\n
\u5728\u6587\u4ef6\u4e2d\u641c\u7d22\u5305\u542b\u5355\u8bcd "example" \u7684\u884c\uff0c\u5e76\u663e\u793a\u884c\u53f7\n# grep -n "example" demo.txt<\/code><\/pre>\n\n\n\n
\u6848\u4f8b5\uff1a\u7edf\u8ba1\u5339\u914d\u7684\u884c\u6570<\/p>\n\n\n\n
# grep -c "example" demo.txt<\/code><\/pre>\n\n\n\n
\u6848\u4f8b6\uff1a\u4ec5\u5339\u914d\u6574\u4e2a\u5355\u8bcd<\/p>\n\n\n\n
\u5728\u6587\u4ef6\u4e2d\u641c\u7d22\u5305\u542b\u5355\u8bcd "example" \u7684\u884c\uff0c\u662f\u6574\u4e2a\u5355\u8bcd\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u5355\u8bcd\u7684\u4e00\u90e8\u5206\n# grep -w "example" demo.txt<\/code><\/pre>\n\n\n\n
\u6848\u4f8b7\uff1a\u9012\u5f52\u5730\u641c\u7d22\u76ee\u5f55\u53ca\u5176\u5b50\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6<\/p>\n\n\n\n
\u641c\u7d22\/root\/\u76ee\u5f55\u4e0b\u5305\u542b\u5185\u5bb9"Hello, this is an example file."\u7684\u6240\u6709\u6587\u4ef6\n# grep -r "Hello, this is an example file." \/root\/<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
1. grep\u57fa\u672c\u8bed\u6cd5 grep\u4e3b\u8981\u4f5c\u7528\uff1a\u8fc7\u6ee4\u6765\u81ea\u4e00\u4e2a\u6587\u4ef6\u6216\u6807\u51c6\u8f93\u5165\u5339\u914d\u6a21\u5f0f\u5185\u5bb9\uff08\u67e5\u627e\u3001\u8fc7\u6ee4\uff09\u3002 \u9664\u4e86 gre […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,29],"tags":[],"class_list":["post-203","post","type-post","status-publish","format-standard","hentry","category-linux","category-shell"],"_links":{"self":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts\/203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=203"}],"version-history":[{"count":1,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts\/203\/revisions"}],"predecessor-version":[{"id":204,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts\/203\/revisions\/204"}],"wp:attachment":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}