{"id":79,"date":"2019-03-11T11:40:45","date_gmt":"2019-03-11T03:40:45","guid":{"rendered":"http:\/\/feel.name\/?p=79"},"modified":"2019-03-11T11:40:45","modified_gmt":"2019-03-11T03:40:45","slug":"linux%e4%b8%8b%e7%9a%84findgrep%e6%9f%a5%e6%89%be%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"http:\/\/feel.name\/?p=79","title":{"rendered":"linux\u4e0b\u7684find&&grep\u67e5\u627e\u547d\u4ee4"},"content":{"rendered":"\n

\u5728\u4f7f\u7528linux\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u8fdb\u884c\u6587\u4ef6\u67e5\u627e\u3002\u5176\u4e2d\u67e5\u627e\u7684\u547d\u4ee4\u4e3b\u8981\u6709find\u548cgrep\u3002\u4e24\u4e2a\u547d\u4ee4\u662f\u6709\u533a\u7684\u3002<\/h1>\n\n\n\n

\u3000\u3000\u533a\u522b<\/strong>\uff1a(1)find\u547d\u4ee4\u662f\u6839\u636e\u6587\u4ef6\u7684\u5c5e\u6027<\/strong>\u8fdb\u884c\u67e5\u627e\uff0c\u5982\u6587\u4ef6\u540d\uff0c\u6587\u4ef6\u5927\u5c0f\uff0c\u6240\u6709\u8005\uff0c\u6240\u5c5e\u7ec4\uff0c\u662f\u5426\u4e3a\u7a7a\uff0c\u8bbf\u95ee\u65f6\u95f4\uff0c\u4fee\u6539\u65f6\u95f4\u7b49\u3002 <\/p>\n\n\n\n

               (2)grep\u662f\u6839\u636e\u6587\u4ef6\u7684\u5185\u5bb9\u8fdb\u884c<\/strong>\u67e5\u627e\uff0c\u4f1a\u5bf9\u6587\u4ef6\u7684\u6bcf\u4e00\u884c\u6309\u7167\u7ed9\u5b9a\u7684\u6a21\u5f0f(patter)\u8fdb\u884c\u5339\u914d\u67e5\u627e\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00.find\u547d\u4ee4<\/strong><\/p>\n\n\n\n

\u3000\u3000\u3000\u3000\u57fa\u672c\u683c\u5f0f\uff1a<\/strong>find  path expression<\/p>\n\n\n\n

\u3000\u3000\u3000\u30001.\u6309\u7167\u6587\u4ef6\u540d\u67e5\u627e<\/strong><\/p>\n\n\n\n

\u3000\u3000\u3000\u3000(1)find \/ -name httpd.conf\u3000\u3000#\u5728\u6839\u76ee\u5f55\u4e0b\u67e5\u627e\u6587\u4ef6httpd.conf\uff0c\u8868\u793a\u5728\u6574\u4e2a\u786c\u76d8\u67e5\u627e
\u3000\u3000\u3000\u3000(2)find \/etc -name httpd.conf\u3000\u3000#\u5728\/etc\u76ee\u5f55\u4e0b\u6587\u4ef6httpd.conf
\u3000\u3000\u3000\u3000(3)find \/etc -name ‘*srm*’\u3000\u3000#\u4f7f\u7528\u901a\u914d\u7b26*(0\u6216\u8005\u4efb\u610f\u591a\u4e2a)\u3002\u8868\u793a\u5728\/etc\u76ee\u5f55\u4e0b\u67e5\u627e\u6587\u4ef6\u540d\u4e2d\u542b\u6709\u5b57\u7b26\u4e32\u2018srm\u2019\u7684\u6587\u4ef6
\u3000\u3000\u3000\u3000(4)find . -name ‘srm*’ \u3000\u3000#\u8868\u793a\u5f53\u524d\u76ee\u5f55\u4e0b\u67e5\u627e\u6587\u4ef6\u540d\u5f00\u5934\u662f\u5b57\u7b26\u4e32\u2018srm\u2019\u7684\u6587\u4ef6<\/p>\n\n\n\n

\u3000\u3000\u3000\u30002.\u6309\u7167\u6587\u4ef6\u7279\u5f81\u67e5\u627e<\/strong> \u3000\u3000\u3000\u3000<\/p>\n\n\n\n

\u3000\u3000\u3000\u3000(1)find \/ -amin -10 \u3000\u3000# \u67e5\u627e\u5728\u7cfb\u7edf\u4e2d\u6700\u540e10\u5206\u949f\u8bbf\u95ee\u7684\u6587\u4ef6(access time)
\u3000\u3000\u3000\u3000(2)find \/ -atime -2\u3000\u3000 # \u67e5\u627e\u5728\u7cfb\u7edf\u4e2d\u6700\u540e48\u5c0f\u65f6\u8bbf\u95ee\u7684\u6587\u4ef6
\u3000\u3000\u3000\u3000(3)find \/ -empty \u3000\u3000# \u67e5\u627e\u5728\u7cfb\u7edf\u4e2d\u4e3a\u7a7a\u7684\u6587\u4ef6\u6216\u8005\u6587\u4ef6\u5939
\u3000\u3000\u3000\u3000(4)find \/ -group cat \u3000\u3000# \u67e5\u627e\u5728\u7cfb\u7edf\u4e2d\u5c5e\u4e8e group\u4e3acat\u7684\u6587\u4ef6
\u3000\u3000\u3000\u3000(5)find \/ -mmin -5 \u3000\u3000# \u67e5\u627e\u5728\u7cfb\u7edf\u4e2d\u6700\u540e5\u5206\u949f\u91cc\u4fee\u6539\u8fc7\u7684\u6587\u4ef6(modify time)
\u3000\u3000\u3000\u3000(6)find \/ -mtime -1 \u3000\u3000#\u67e5\u627e\u5728\u7cfb\u7edf\u4e2d\u6700\u540e24\u5c0f\u65f6\u91cc\u4fee\u6539\u8fc7\u7684\u6587\u4ef6
\u3000\u3000\u3000\u3000(7)find \/ -user fred \u3000\u3000#\u67e5\u627e\u5728\u7cfb\u7edf\u4e2d\u5c5e\u4e8efred\u8fd9\u4e2a\u7528\u6237\u7684\u6587\u4ef6
\u3000\u3000\u3000\u3000(8)find \/ -size +10000c\u3000\u3000#\u67e5\u627e\u51fa\u5927\u4e8e10000000\u5b57\u8282\u7684\u6587\u4ef6(c:\u5b57\u8282\uff0cw:\u53cc\u5b57\uff0ck:KB\uff0cM:MB\uff0cG:GB)
\u3000\u3000\u3000\u3000(9)find \/ -size -1000k \u3000\u3000#\u67e5\u627e\u51fa\u5c0f\u4e8e1000KB\u7684\u6587\u4ef6<\/p>\n\n\n\n

\u3000\u3000\u3000\u30003.\u4f7f\u7528\u6df7\u5408\u67e5\u627e\u65b9\u5f0f\u67e5\u627e\u6587\u4ef6<\/strong><\/p>\n\n\n\n

\u3000\u3000\u3000\u3000\u53c2\u6570\u6709\uff1a \uff01\uff0c-and(-a)\uff0c-or(-o)\u3002<\/strong><\/p>\n\n\n\n

(1)find \/tmp -size +10000c -and -mtime +2 \u3000\u3000#\u5728\/tmp\u76ee\u5f55\u4e0b\u67e5\u627e\u5927\u4e8e10000\u5b57\u8282\u5e76\u5728\u6700\u540e2\u5206\u949f\u5185\u4fee\u6539\u7684\u6587\u4ef6
   \u3000\u3000    (2)find \/ -user fred -or -user george \u3000\u3000#\u5728\/\u76ee\u5f55\u4e0b\u67e5\u627e\u7528\u6237\u662ffred\u6216\u8005george\u7684\u6587\u4ef6\u6587\u4ef6
   \u3000\u3000    (3)find \/tmp ! -user panda\u3000\u3000#\u5728\/tmp\u76ee\u5f55\u4e2d\u67e5\u627e\u6240\u6709\u4e0d\u5c5e\u4e8epanda\u7528\u6237\u7684\u6587\u4ef6
    \u3000\u3000  <\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001grep\u547d\u4ee4<\/strong><\/p>\n\n\n\n

\u3000\u3000\u3000  \u57fa\u672c\u683c\u5f0f\uff1afind  expression<\/strong><\/p>\n\n\n\n

 \u3000\u3000\u3000 1.\u4e3b\u8981\u53c2\u6570<\/strong><\/p>\n\n\n\n

\u3000\u3000\u3000\u3000[options]\u4e3b\u8981\u53c2\u6570\uff1a<\/strong>
\u3000\u3000\u3000\u3000\uff0dc\uff1a\u53ea\u8f93\u51fa\u5339\u914d\u884c\u7684\u8ba1\u6570\u3002
\u3000\u3000\u3000\u3000\uff0di\uff1a\u4e0d\u533a\u5206\u5927\u5c0f\u5199
\u3000\u3000\u3000\u3000\uff0dh\uff1a\u67e5\u8be2\u591a\u6587\u4ef6\u65f6\u4e0d\u663e\u793a\u6587\u4ef6\u540d\u3002
\u3000\u3000\u3000\u3000\uff0dl\uff1a\u67e5\u8be2\u591a\u6587\u4ef6\u65f6\u53ea\u8f93\u51fa\u5305\u542b\u5339\u914d\u5b57\u7b26\u7684\u6587\u4ef6\u540d\u3002
\u3000\u3000\u3000\u3000\uff0dn\uff1a\u663e\u793a\u5339\u914d\u884c\u53ca\u884c\u53f7\u3002
\u3000\u3000\u3000\u3000\uff0ds\uff1a\u4e0d\u663e\u793a\u4e0d\u5b58\u5728\u6216\u65e0\u5339\u914d\u6587\u672c\u7684\u9519\u8bef\u4fe1\u606f\u3002
\u3000\u3000\u3000\u3000\uff0dv\uff1a\u663e\u793a\u4e0d\u5305\u542b\u5339\u914d\u6587\u672c\u7684\u6240\u6709\u884c\u3002<\/p>\n\n\n\n

\u3000\u3000\u3000\u3000pattern\u6b63\u5219\u8868\u8fbe\u5f0f\u4e3b\u8981\u53c2\u6570\uff1a<\/strong>
\u3000\u3000\u3000\u3000\\\uff1a \u5ffd\u7565\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u7279\u6b8a\u5b57\u7b26\u7684\u539f\u6709\u542b\u4e49\u3002
\u3000\u3000\u3000\u3000^\uff1a\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u5f00\u59cb\u884c\u3002
\u3000\u3000\u3000\u3000$: \u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7ed3\u675f\u884c\u3002
\u3000\u3000\u3000\u3000\\<\uff1a\u4ece\u5339\u914d\u6b63\u5219\u8868\u8fbe \u5f0f\u7684\u884c\u5f00\u59cb\u3002
\u3000\u3000\u3000\u3000\\>\uff1a\u5230\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u884c\u7ed3\u675f\u3002
\u3000\u3000\u3000\u3000[ ]\uff1a\u5355\u4e2a\u5b57\u7b26\uff0c\u5982[A]\u5373A\u7b26\u5408\u8981\u6c42 \u3002
\u3000\u3000\u3000\u3000[ – ]\uff1a\u8303\u56f4\uff0c\u5982[A-Z]\uff0c\u5373A\u3001B\u3001C\u4e00\u76f4\u5230Z\u90fd\u7b26\u5408\u8981\u6c42 \u3002
\u3000\u3000\u3000\u3000.\uff1a\u6240\u6709\u7684\u5355\u4e2a\u5b57\u7b26\u3002
\u3000\u3000\u3000\u3000* \uff1a\u6709\u5b57\u7b26\uff0c\u957f\u5ea6\u53ef\u4ee5\u4e3a0\u3002<\/p>\n\n\n\n

\u3000\u3000\u3000\u30002.\u5b9e\u4f8b<\/strong>\u3000 <\/p>\n\n\n\n

\u3000\u3000(1)grep ‘test’ d*\u3000\u3000#\u663e\u793a\u6240\u6709\u4ee5d\u5f00\u5934\u7684\u6587\u4ef6\u4e2d\u5305\u542b test\u7684\u884c
\u3000\u3000(2)grep \u2018test\u2019 aa bb cc \u3000\u3000 #\u663e\u793a\u5728aa\uff0cbb\uff0ccc\u6587\u4ef6\u4e2d\u5305\u542btest\u7684\u884c
\u3000\u3000(3)grep \u2018[a-z]\\{5\\}\u2019 aa \u3000\u3000#\u663e\u793a\u6240\u6709\u5305\u542b\u6bcf\u884c\u5b57\u7b26\u4e32\u81f3\u5c11\u67095\u4e2a\u8fde\u7eed\u5c0f\u5199\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u7684\u884c
\u3000\u3000(4)grep magic \/usr\/src\u3000\u3000#\u663e\u793a\/usr\/src\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6(\u4e0d\u542b\u5b50\u76ee\u5f55)<\/strong>\u5305\u542bmagic\u7684\u884c
\u3000\u3000(5)grep -r magic \/usr\/src\u3000\u3000#\u663e\u793a\/usr\/src\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6(\u5305\u542b\u5b50\u76ee\u5f55)<\/strong>\u5305\u542bmagic\u7684\u884c<\/p>\n\n\n\n

\u3000\u3000(6)grep -w pattern files \uff1a\u53ea\u5339\u914d\u6574\u4e2a\u5355\u8bcd<\/strong>\uff0c\u800c\u4e0d\u662f\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206<\/strong>(\u5982\u5339\u914d\u2019magic\u2019\uff0c\u800c\u4e0d\u662f\u2019magical\u2019)<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u4f7f\u7528linux\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u8fdb\u884c\u6587\u4ef6\u67e5\u627e\u3002\u5176\u4e2d\u67e5\u627e\u7684\u547d\u4ee4\u4e3b\u8981\u6709find\u548cgrep\u3002\u4e24\u4e2a\u547d\u4ee4\u662f\u6709\u533a\u7684\u3002 \u3000\u3000\u533a\u522b…<\/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":[],"class_list":["post-79","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/79","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=79"}],"version-history":[{"count":1,"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/79\/revisions"}],"predecessor-version":[{"id":80,"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/79\/revisions\/80"}],"wp:attachment":[{"href":"http:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=79"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=79"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=79"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}