{"id":18363,"date":"2024-04-27T04:03:27","date_gmt":"2024-04-26T20:03:27","guid":{"rendered":"https:\/\/www.linuxcool.com\/mlgmlsysljx"},"modified":"2024-04-27T04:03:27","modified_gmt":"2024-04-26T20:03:27","slug":"mlgmlsysljx","status":"publish","type":"post","link":"https:\/\/www.linuxcool.com\/mlgmlsysljx","title":{"rendered":"\u547d\u4ee4grep\u547d\u4ee4\u4f7f\u7528\u5b9e\u4f8b\u89e3\u6790\uff01\uff01"},"content":{"rendered":"

grep\u547d\u4ee4<\/a><\/p>\n

grep<\/p>\n

1.\u4f5c\u7528<\/p>\n

Linux<\/a>\u7cfb\u7edf<\/a>\u4e2dgrep\u547d\u4ee4\u662f\u4e00\u79cd\u5f3a\u608d\u7684\u6587\u672c\u641c\u7d22\u5de5\u5177\uff0c\u5b83\u80fd\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u641c\u7d22\u6587\u672c\uff0c\u5e76\u628a\u5339\u914d\u7684\u884c\u590d\u5370\u4e0b\u6765\u3002grep\u5168\u79f0\u662fGlobalRegularExpressionPrintlinux\u67e5\u770b\u64cd\u4f5c\u7cfb\u7edf\uff0c\u8868\u793a\u5168\u5c40\u6b63\u5219\u8868\u8fbe\u5f0f\u7248\u672c\uff0c\u5b83\u7684\u4f7f\u7528\u6743\u9650\u662f\u6240\u6709\u7528\u6237\u3002<\/p>\n

grep\u5bb6\u65cf\u5305\u62ecgrep\u3001egrep\u548cfgrep\u3002egrep\u548cfgrep\u7684\u547d\u4ee4\u53ea\u8ddfgrep\u6709\u5f88\u5c0f\u4e0d\u540c\u3002egrep\u662fgrep\u7684\u6269\u5145\uff0c\u652f\u6301\u66f4\u591a\u7684re\u5143\u5b57\u7b26\uff0cfgrep\u5c31\u662ffixedgrep\u6216fastgrep\uff0c\u5b83\u4eec\u628a\u6240\u6709\u7684\u5b57\u6bcd\u90fd\u770b\u4f5c\u8bcd\u7ec4\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u7684\u5143\u5b57\u7b26\u8868\u793a\u56de\u5176\u81ea\u8eab\u7684\u5b57\u9762\u610f\u4e49\uff0c\u4e0d\u518d\u7279\u6b8a\u3002linux\u4f7f\u7528GNU\u7248\u672c\u7684grep\u3002\u5b83\u529f\u80fd\u66f4\u5f3a\uff0c\u53ef\u4ee5\u901a\u8fc7-G\u3001-E\u3001-F\u547d\u4ee4\u884c\u9009\u9879\u6765\u4f7f\u7528egrep\u548cfgrep\u7684\u529f\u80fd\u3002<\/p>\n

2.\u683c\u5f0f\u53ca\u4e3b\u8981\u53c2\u6570<\/p>\n

grep[options]<\/p>\n

\u4e3b\u8981\u53c2\u6570\uff1agrep--help\u53ef\u67e5\u770b<\/p>\n

-c\uff1a\u53ea\u8f93\u51fa\u5339\u914d\u884c\u7684\u8ba1\u6570\u3002<\/p>\n

-i\uff1a\u4e0d\u5206\u8fa8\u5927\u5c0f\u5199\u3002<\/p>\n

-h\uff1a\u67e5\u8be2\u591a\u6587\u4ef6\u65f6\u4e0d\u663e\u793a\u6587\u4ef6\u540d\u3002<\/p>\n

linux grep \u547d\u4ee4_\u67e5\u770b\u7528\u6237\u7684\u547d\u4ee4Linux_\u5f3a\u5236\u5220\u9664\u6587\u4ef6\u5939\u547d\u4ee4Linux<\/p>\n

-l\uff1a\u67e5\u8be2\u591a\u6587\u4ef6\u65f6\u53ea\u8f93\u51fa\u5305\u542b\u5339\u914d\u5b57\u7b26\u7684\u6587\u4ef6\u540d\u3002<\/p>\n

-n\uff1a\u663e\u793a\u5339\u914d\u884c\u53ca\u884c\u53f7\u3002<\/p>\n

-s\uff1a\u4e0d\u663e\u793a\u4e0d\u5b58\u5728\u6216\u65e0\u5339\u914d\u6587\u672c\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n

-v\uff1a\u663e\u793a\u4e0d\u5305\u542b\u5339\u914d\u6587\u672c\u7684\u6240\u6709\u884c\u3002<\/p>\n

--color=auto\uff1a\u53ef\u4ee5\u5c06\u627e\u5230\u7684\u5173\u952e\u8bcd\u90e8\u4efd\u52a0\u4e0a\u989c\u8272\u7684\u663e\u793a\u3002<\/p>\n

pattern\u6b63\u5219\u8868\u8fbe\u5f0f\u4e3b\u8981\u53c2\u6570:<\/p>\n

\uff1a\u5ffd\u89c6\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u7279\u6b8a\u5b57\u7b26\u7684\u539f\u6709\u542b\u610f\u3002<\/p>\n

^\uff1a\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u5f00\u59cb\u884c\u3002<\/p>\n

$:\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7ed3\u675f\u884c\u3002<\/p>\n

\uff1a\u5230\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u884c\u7ed3\u675f\u3002<\/p>\n

\u5f3a\u5236\u5220\u9664\u6587\u4ef6\u5939\u547d\u4ee4Linux_\u67e5\u770b\u7528\u6237\u7684\u547d\u4ee4Linux_linux grep \u547d\u4ee4<\/p>\n

[]\uff1a\u5355\u4e2a\u5b57\u7b26\uff0c\u5982[A]\u5373A\u7b26\u5408\u8981\u6c42\u3002<\/p>\n

[-]\uff1a\u8303\u56f4\uff0c\u5982[A-Z]\uff0c\u5373A\u3001B\u3001C\u4ecd\u7136\u5230Z\u90fd\u7b26\u5408\u8981\u6c42\u3002<\/p>\n

.\uff1a\u6240\u6709\u7684\u5355\u4e2a\u5b57\u7b26\u3002<\/p>\n

*\uff1a\u6240\u6709\u5b57\u7b26\uff0c\u539a\u5ea6\u53ef\u4ee5\u4e3a0\u3002<\/p>\n

3.grep\u547d\u4ee4\u4f7f\u7528\u7b80\u5355\u5b9e\u4f8b<\/p>\n

itcast$grep\u2018test\u2019d*<\/p>\n

\u663e\u793a\u6240\u6709\u4ee5d\u5f00\u5934\u7684\u6587\u4ef6\u4e2d\u5305\u542btest\u7684\u884c<\/p>\n

itcast$grep\u2018test\u2019aabbcc<\/p>\n

\u663e\u793a\u5728aa\uff0cbblinux grep \u547d\u4ee4<\/strong>\uff0ccc\u6587\u4ef6\u4e2d\u5339\u914dtest\u7684\u884c\u3002<\/p>\n

itcast$grep\u2018[a-z]{5}\u2019aa<\/p>\n

\u663e\u793a\u6240\u6709\u5305\u542b\u6bcf\u4f4d\u5b57\u7b26\u4e32\u8d77\u7801\u67095\u4e2a\u8fde\u7eed\u5927\u5199\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u7684\u884c\u3002<\/p>\n

itcast$grep\u2018w(es)t.*1\u2032aa<\/p>\n

\u5047\u5982west\u88ab\u5339\u914d\uff0c\u5219es\u5c31\u88ab\u50a8\u5b58\u5230\u663e\u5b58\u4e2d\uff0c\u5e76\u6807\u8bb0\u4e3a1\uff0c\u4e4b\u540e\u641c\u7d22\u4efb\u610f\u4e2a\u5b57\u7b26(.*)linux grep \u547d\u4ee4<\/strong>\uff0c\u8fd9\u79cd\u5b57\u7b26\u524d\u9762\u7d27\u8ddf\u968f\u53e6\u5916\u4e00\u4e2aes(1)\uff0c\u627e\u5230\u5c31\u663e\u793a\u8be5\u884c\u3002\u5047\u5982\u7528egrep\u6216grep-E\uff0c\u5c31\u4e0d\u7528\u201d\u201d\u53f7\u8fdb\u884c\u901a\u914d\u7b26\uff0c\u76f4\u63a5\u5199\u6210\u2019w(es)t.*1\u2032\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n

4.grep\u547d\u4ee4\u4f7f\u7528\u590d\u6742\u5b9e\u4f8b<\/p>\n

\u660e\u6670\u8981\u6c42\u641c\u7d22\u5b50\u76ee\u5f55\uff1a<\/p>\n

grep-r<\/p>\n

\u6216\u5ffd\u89c6\u5b50\u76ee\u5f55<\/p>\n

grep-dskip<\/p>\n

\u5047\u5982\u6709\u597d\u591a\u8f93\u51fa\u65f6\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u7ba1\u7ebf\u5c06\u5176\u8f6c\u5165\u2019less\u2019\u4e0a\u9605\u8bfb\uff1a<\/p>\n

itcast$grepmagic\/usr\/src\/Linux\/Documentation\/*|less<\/p>\n

\u67e5\u770b\u7528\u6237\u7684\u547d\u4ee4Linux_linux grep \u547d\u4ee4_\u5f3a\u5236\u5220\u9664\u6587\u4ef6\u5939\u547d\u4ee4Linux<\/p>\n

\u8fd9\u6837\uff0c\u60a8\u5c31\u53ef\u4ee5\u66f4\u4fbf\u6377\u5730\u9605\u8bfb\u3002<\/p>\n

\u6709\u4e00\u70b9\u8981\u6ce8\u610f\uff0c\u60a8\u5fc5\u9700\u63d0\u4f9b\u4e00\u4e2a\u6587\u4ef6\u8fc7\u6ee4\u65b9\u6cd5(\u641c\u7d22\u5168\u90e8\u6587\u4ef6\u7684\u8bdd\u7528*)\u3002\u5018\u82e5\u60a8\u5fd8\u4e86\uff0c\u2019grep\u2019\u4f1a\u4ecd\u7136\u7b49\u7740\uff0c\u76f4\u81f3\u8be5\u7a0b\u5e8f\u88ab\u4e2d\u65ad\u3002\u5018\u82e5\u60a8\u9047\u89c1\u4e86\u8fd9\u6837\u7684\u60c5\u51b5\uff0c\u6309\uff0c\u4e4b\u540e\u518d\u8bd5\u3002<\/p>\n

\u4e0b\u8fb9\u8fd8\u6709\u4e00\u4e9b\u6709\u610f\u601d\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a<\/p>\n

grep-ipatternfiles\uff1a\u4e0d\u5206\u8fa8\u5927\u5c0f\u5199\u5730\u641c\u7d22\u3002\u9ed8\u8ba4\u60c5\u51b5\u5206\u8fa8\u5927\u5c0f\u5199\uff0c<\/p>\n

grep-lpatternfiles\uff1a\u53ea\u5217\u4e3e\u5339\u914d\u7684\u6587\u4ef6\u540d\uff0c<\/p>\n

grep-Lpatternfiles\uff1a\u5217\u4e3e\u4e0d\u5339\u914d\u7684\u6587\u4ef6\u540d\uff0c<\/p>\n

grep-wpatternfiles\uff1a\u53ea\u5339\u914d\u6574\u4e2a\u8bcd\u7ec4\uff0c\u800c\u4e0d\u662f\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u4efd(\u5982\u5339\u914d\u2019magic\u2019\uff0c\u800c\u4e0d\u662f\u2019magical\u2019)\uff0c<\/p>\n

grep-Cnumberpatternfiles\uff1a\u5339\u914d\u7684\u4e0a\u4e0b\u6587\u5206\u522b\u663e\u793a[number]\u884c\uff0c<\/p>\n

greppattern1|pattern2files\uff1a\u663e\u793a\u5339\u914dpattern1\u6216pattern2\u7684\u884c\uff0c<\/p>\n

\u6bd4\u5982\uff1agrep”abc|xyz”testfile\u8868\u793a\u8fc7\u6ee4\u5305\u542babc\u6216xyz\u7684\u884c<\/p>\n

greppattern1files|greppattern2\uff1a\u663e\u793a\u65e2\u5339\u914dpattern1\u53c8\u5339\u914dpattern2\u7684\u884c\u3002<\/p>\n

grep-npatternfiles\u5373\u53ef\u663e\u793a\u884c\u53f7\u4fe1\u606f<\/p>\n

grep-cpatternfiles\u5373\u53ef\u67e5\u627e\u603b\u884c\u6570<\/p>\n

\u8fd8\u6709\u4e9b\u7528\u4e8e\u641c\u7d22\u7684\u7279\u6b8a\u7b26\u53f7\uff1a\u5206\u522b\u6807\u660e\u8bcd\u7ec4\u7684\u5f00\u59cb\u4e0e\u7ed3\u5c3e\u3002<\/p>\n

\u6bd4\u5982\uff1a<\/p>\n

grepman*\u4f1a\u5339\u914d\u2018Batman\u2019\u3001\u2019manic\u2019\u3001\u2019man\u2019\u7b49\uff0c<\/p>\n

grep\u2018grep\u2018\u2019\u53ea\u5339\u914d\u2019man\u2019\uff0c\u800c\u4e0d\u662f\u2019Batman\u2019\u6216\u2019manic\u2019\u7b49\u5176\u4ed6\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n

\u2018^\u2019\uff1a\u6307\u5339\u914d\u7684\u5b57\u7b26\u4e32\u5728\u884c\u9996linux\u91cd\u542f\u547d\u4ee4\uff0c<\/p>\n

\u2018$\u2019\uff1a\u6307\u5339\u914d\u7684\u5b57\u7b26\u4e32\u5728\u884c\u5c3e\uff0c<\/p>\n

\u7528grep\u67e5\u627e\u7ed3\u6784\u4f53grep-R”structtask_struct{“\/usr\/src\u52a0-n\u53ef\u4ee5\u663e\u793a\u884c\u53f7<\/p>\n

PS1=$\u6b65\u5165\u5230\u5bb6\u76ee\u5f55\u5728.bashrc\u4e2d<\/p>\n","protected":false},"excerpt":{"rendered":"

grep\u547d\u4ee4grepPrint\uff0c\u8868\u793a\u5168\u5c40\u6b63\u5219\u8868\u8fbe\u5f0f\u7248\u672c\uff0c\u5b83\u7684\u4f7f\u7528\u6743\u9650\u662f\u6240\u6709\u7528\u6237\u3002grep\u5bb6\u65cf\u5305\u62ecgrep\u3001egrep\u548cfgrep\u3002egrep\u548cfgrep\u7684\u547d\u4ee4\u53ea\u8ddfgrep\u6709\u5f88\u5c0f\u4e0d\u540c\u3002linux\u4f7f\u7528GNU\u7248\u672c\u7684grep\u30023.grep\u547d\u4ee4\u4f7f\u7528\u7b80\u5355\u5b9e\u4f8b4.grep\u547d\u4ee4\u4f7f\u7528\u590d\u6742\u5b9e\u4f8b<\/p>\n","protected":false},"author":1,"featured_media":18364,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[126,259,561],"class_list":["post-18363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-g-2","tag-zf","tag-zzbds"],"_links":{"self":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/18363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/comments?post=18363"}],"version-history":[{"count":0,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/18363\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/media\/18364"}],"wp:attachment":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/media?parent=18363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/categories?post=18363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/tags?post=18363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}