{"id":7399,"date":"2023-11-28T18:55:59","date_gmt":"2023-11-28T10:55:59","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=7399"},"modified":"2023-11-30T23:18:19","modified_gmt":"2023-11-30T15:18:19","slug":"linux%e4%b8%ad%e7%94%a8%e4%bb%80%e4%b9%88%e5%91%bd%e4%bb%a4%e5%af%b9%e4%b8%80%e4%b8%aa%e6%96%87%e4%bb%b6%e7%9a%84%e5%86%85%e5%ae%b9%e8%bf%9b%e8%a1%8c%e7%bb%9f%e8%ae%a1%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/linux%e4%b8%ad%e7%94%a8%e4%bb%80%e4%b9%88%e5%91%bd%e4%bb%a4%e5%af%b9%e4%b8%80%e4%b8%aa%e6%96%87%e4%bb%b6%e7%9a%84%e5%86%85%e5%ae%b9%e8%bf%9b%e8%a1%8c%e7%bb%9f%e8%ae%a1%ef%bc%9f\/","title":{"rendered":"Linux \u4e2d\u7528\u4ec0\u4e48\u547d\u4ee4\u5bf9\u4e00\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u8fdb\u884c\u7edf\u8ba1\uff1f"},"content":{"rendered":"

\u5728 Linux \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u547d\u4ee4\u6765\u5bf9\u6587\u4ef6\u5185\u5bb9\u8fdb\u884c\u7edf\u8ba1\uff0c\u5176\u4e2d\u5305\u62ec `wc`\u3001`grep`\u3001`awk` \u7b49\u3002<\/p>\n

### \u4f7f\u7528 `wc` \u547d\u4ee4\u8fdb\u884c\u7edf\u8ba1\uff1a
\n`wc` \u547d\u4ee4\u7528\u4e8e\u7edf\u8ba1\u6587\u4ef6\u4e2d\u7684\u5b57\u6570\u3001\u884c\u6570\u548c\u5b57\u7b26\u6570\u3002<\/p>\n

– **\u7edf\u8ba1\u884c\u6570\u3001\u5b57\u6570\u548c\u5b57\u7b26\u6570**\uff1a
\n “`
\n wc filename
\n “`<\/p>\n

\u8f93\u51fa\u5c06\u663e\u793a\u6587\u4ef6\u7684\u884c\u6570\u3001\u5b57\u6570\u548c\u5b57\u7b26\u6570\u3002<\/p>\n

### \u4f7f\u7528 `grep` \u547d\u4ee4\u8fdb\u884c\u7edf\u8ba1\uff1a
\n`grep` \u547d\u4ee4\u7528\u4e8e\u5728\u6587\u4ef6\u4e2d\u641c\u7d22\u7279\u5b9a\u6a21\u5f0f\uff0c\u5e76\u53ef\u4ee5\u914d\u5408\u53c2\u6570 `-c` \u7edf\u8ba1\u5339\u914d\u884c\u6570\u3002<\/p>\n

– **\u7edf\u8ba1\u7279\u5b9a\u6a21\u5f0f\u51fa\u73b0\u7684\u6b21\u6570**\uff1a
\n “`
\n grep -c “pattern” filename
\n “`<\/p>\n

\u8fd9\u5c06\u663e\u793a\u5728\u6587\u4ef6\u4e2d\u51fa\u73b0\u6307\u5b9a\u6a21\u5f0f\u7684\u884c\u6570\u3002<\/p>\n

### \u4f7f\u7528 `awk` \u547d\u4ee4\u8fdb\u884c\u7edf\u8ba1\uff1a
\n`awk` \u662f\u4e00\u4e2a\u7528\u4e8e\u5904\u7406\u548c\u5206\u6790\u6587\u672c\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u7edf\u8ba1\u64cd\u4f5c\u3002<\/p>\n

– **\u7edf\u8ba1\u884c\u6570**\uff1a
\n “`
\n awk ‘END {print NR}’ filename
\n “`<\/p>\n

\u8fd9\u5c06\u6253\u5370\u6587\u4ef6\u4e2d\u7684\u884c\u6570\u3002<\/p>\n

– **\u7edf\u8ba1\u5355\u8bcd\u6570**\uff1a
\n “`
\n awk ‘{total += NF} END {print total}’ filename
\n “`<\/p>\n

\u8fd9\u5c06\u6253\u5370\u6587\u4ef6\u4e2d\u7684\u5355\u8bcd\u6570\u3002<\/p>\n

\u8fd9\u4e9b\u547d\u4ee4\u63d0\u4f9b\u4e86\u4e0d\u540c\u5c42\u6b21\u548c\u7c7b\u578b\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u6240\u9700\u7684\u7edf\u8ba1\u6570\u636e\u9009\u62e9\u5408\u9002\u7684\u547d\u4ee4\u6765\u5b8c\u6210\u7edf\u8ba1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728 Linux \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u547d\u4ee4\u6765\u5bf9\u6587\u4ef6\u5185\u5bb9\u8fdb\u884c\u7edf\u8ba1\uff0c\u5176\u4e2d\u5305\u62ec `wc`\u3001`grep`\u3001`awk` \u7b49\u3002 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[],"class_list":["post-7399","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=7399"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7399\/revisions"}],"predecessor-version":[{"id":13868,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7399\/revisions\/13868"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=7399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=7399"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=7399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}