{"id":16438,"date":"2024-11-18T17:27:51","date_gmt":"2024-11-18T09:27:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16438\/"},"modified":"2024-11-18T17:27:51","modified_gmt":"2024-11-18T09:27:51","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87linux%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7%e8%bf%9b%e8%a1%8c%e6%97%a5%e5%bf%97%e8%a7%a3%e6%9e%90%e5%92%8c%e7%ad%9b%e9%80%89%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16438\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7Linux\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u65e5\u5fd7\u89e3\u6790\u548c\u7b5b\u9009\uff1f"},"content":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7linux\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u65e5\u5fd7\u89e3\u6790\u548c\u7b5b\u9009\uff1f<\/p>\n<p>\u5728Linux\u73af\u5883\u4e0b\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u5bf9\u7cfb\u7edf\u65e5\u5fd7\u8fdb\u884c\u89e3\u6790\u548c\u7b5b\u9009\uff0c\u4ee5\u67e5\u627e\u7279\u5b9a\u7684\u4fe1\u606f\u6216\u8005\u6392\u67e5\u95ee\u9898\u3002\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u53ef\u4ee5\u9ad8\u6548\u5730\u5b8c\u6210\u8fd9\u4e9b\u4efb\u52a1\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u5e38\u89c1\u7684Linux\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u65e5\u5fd7\u89e3\u6790\u548c\u7b5b\u9009\u3002<\/p>\n<ol>\n<li>grep\u547d\u4ee4<\/li>\n<\/ol>\n<p>grep \u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6587\u672c\u641c\u7d22\u5de5\u5177\uff0c\u53ef\u4ee5\u5728\u6587\u4ef6\u6216\u8005\u6807\u51c6\u8f93\u5165\u4e2d\u641c\u7d22\u5339\u914d\u67d0\u4e2a\u6a21\u5f0f\u7684\u884c\uff0c\u5e76\u5c06\u7ed3\u679c\u8f93\u51fa\u3002\u4ee5\u4e0b\u662f grep \u547d\u4ee4\u7684\u4e00\u4e9b\u5e38\u89c1\u7528\u6cd5\uff1a<\/p>\n<ul>\n<li>\u5728\u6587\u4ef6\u4e2d\u641c\u7d22\u67d0\u4e2a\u5173\u952e\u8bcd\uff1a<\/li>\n<\/ul>\n<pre>grep \"keyword\" filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u5ffd\u7565\u5927\u5c0f\u5199\u8fdb\u884c\u641c\u7d22\uff1a<\/li>\n<\/ul>\n<pre>grep -i \"keyword\" filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u8f93\u51fa\u5339\u914d\u884c\u53ca\u5176\u4e0a\u4e0b\u6587\uff1a<\/li>\n<\/ul>\n<pre>grep -A context \"keyword\" filename\ngrep -B context \"keyword\" filename\ngrep -C context \"keyword\" filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u9650\u5236\u641c\u7d22\u7684\u6587\u4ef6\u7c7b\u578b\u4e3a\u65e5\u5fd7\u6587\u4ef6\uff1a<\/li>\n<\/ul>\n<pre>grep \"keyword\" *.log<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>awk\u547d\u4ee4<\/li>\n<\/ol>\n<p>awk \u662f\u4e00\u79cd\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u9010\u884c\u89e3\u6790\u6587\u4ef6\u5e76\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u6765\u6267\u884c\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f awk \u547d\u4ee4\u7684\u4e00\u4e9b\u5e38\u89c1\u7528\u6cd5\uff1a<\/p>\n<ul>\n<li>\u8f93\u51fa\u6307\u5b9a\u5217\uff1a<\/li>\n<\/ul>\n<pre>awk '{print $1, $2}' filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u6839\u636e\u67d0\u5217\u7684\u503c\u6765\u7b5b\u9009\u884c\uff1a<\/li>\n<\/ul>\n<pre>awk '$1 == \"value\"' filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u6839\u636e\u591a\u4e2a\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\uff1a<\/li>\n<\/ul>\n<pre>awk '$1 == \"value\" &amp;amp;&amp;amp; $2 &amp;gt; 10' filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u5bf9\u6307\u5b9a\u5217\u7684\u503c\u8fdb\u884c\u8ba1\u7b97\uff1a<\/li>\n<\/ul>\n<pre>awk '{sum += $1} END {print sum}' filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>sed\u547d\u4ee4<\/li>\n<\/ol>\n<p>sed \u662f\u4e00\u79cd\u6d41\u7f16\u8f91\u5668\uff0c\u7528\u4e8e\u5bf9\u6587\u672c\u8fdb\u884c\u9010\u884c\u5904\u7406\u3002\u4ee5\u4e0b\u662f sed \u547d\u4ee4\u7684\u4e00\u4e9b\u5e38\u89c1\u7528\u6cd5\uff1a<\/p>\n<ul>\n<li>\u66ff\u6362\u5339\u914d\u7684\u6587\u672c\uff1a<\/li>\n<\/ul>\n<pre>sed 's\/pattern\/replacement\/' filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u6839\u636e\u6761\u4ef6\u5220\u9664\u884c\uff1a<\/li>\n<\/ul>\n<pre>sed '\/pattern\/d' filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u6dfb\u52a0\u65b0\u5185\u5bb9\uff1a<\/li>\n<\/ul>\n<pre>sed '1iNew line' filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>tail\u548chead\u547d\u4ee4<\/li>\n<\/ol>\n<p>tail \u548c head \u547d\u4ee4\u7528\u4e8e\u67e5\u770b\u6587\u4ef6\u7684\u672b\u5c3e\u548c\u5f00\u5934\u5185\u5bb9\u3002\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e24\u4e2a\u547d\u4ee4\u6765\u5feb\u901f\u67e5\u770b\u6700\u65b0\u7684\u65e5\u5fd7\u8bb0\u5f55\u6216\u8005\u6700\u65e9\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f tail \u548c head \u547d\u4ee4\u7684\u4e00\u4e9b\u5e38\u89c1\u7528\u6cd5\uff1a<\/p>\n<ul>\n<li>\u67e5\u770b\u6587\u4ef6\u7684\u6700\u540e\u51e0\u884c\uff1a<\/li>\n<\/ul>\n<pre>tail -n 10 filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u5b9e\u65f6\u67e5\u770b\u6587\u4ef6\u7684\u66f4\u65b0\u5185\u5bb9\uff1a<\/li>\n<\/ul>\n<pre>tail -f filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u67e5\u770b\u6587\u4ef6\u7684\u5f00\u5934\u51e0\u884c\uff1a<\/li>\n<\/ul>\n<pre>head -n 10 filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>less\u547d\u4ee4<\/li>\n<\/ol>\n<p>less \u547d\u4ee4\u662f\u4e00\u4e2a\u5206\u9875\u5668\uff0c\u7528\u4e8e\u67e5\u770b\u957f\u6587\u672c\u6587\u4ef6\u3002\u4f7f\u7528 less \u547d\u4ee4\u53ef\u4ee5\u65b9\u4fbf\u5730\u6eda\u52a8\u548c\u641c\u7d22\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f less \u547d\u4ee4\u7684\u4e00\u4e9b\u5e38\u89c1\u7528\u6cd5\uff1a<\/p>\n<ul>\n<li>\u67e5\u770b\u6587\u4ef6\u5185\u5bb9\u5e76\u6eda\u52a8\uff1a<\/li>\n<\/ul>\n<pre>less filename<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u641c\u7d22\u5173\u952e\u8bcd\u5e76\u9ad8\u4eae\u663e\u793a\uff1a<\/li>\n<\/ul>\n<pre>\/&lt;keyword&gt;&lt;\/keyword&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u5411\u524d\/\u5411\u540e\u641c\u7d22\u5339\u914d\u7684\u5173\u952e\u8bcd\uff1a<\/li>\n<\/ul>\n<pre>? &lt;keyword&gt;&lt;\/keyword&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u51e0\u4e2a\u5e38\u89c1\u7684 Linux \u547d\u4ee4\u884c\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6790\u548c\u7b5b\u9009\u65e5\u5fd7\u6587\u4ef6\u3002\u8fd9\u4e9b\u5de5\u5177\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u641c\u7d22\u3001\u8fc7\u6ee4\u548c\u5904\u7406\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u6392\u67e5\u95ee\u9898\u3001\u5206\u6790\u65e5\u5fd7\u7b49\u65b9\u9762\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u5728Linux\u73af\u5883\u4e0b\u8fdb\u884c\u65e5\u5fd7\u89e3\u6790\u548c\u7b5b\u9009\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e2e\u52a9\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u901a\u8fc7Linux\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u65e5\u5fd7\u89e3\u6790\u548c\u7b5b\u9009\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7linux\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u65e5\u5fd7\u89e3\u6790\u548c\u7b5b\u9009\uff1f \u5728Linux\u73af\u5883\u4e0b\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u5bf9\u7cfb\u7edf\u65e5\u5fd7\u8fdb\u884c\u89e3\u6790\u548c\u7b5b\u9009\uff0c\u4ee5\u67e5\u627e\u7279\u5b9a\u7684\u4fe1\u606f\u6216\u8005\u6392\u67e5\u95ee\u9898\u3002\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u53ef\u4ee5\u9ad8\u6548\u5730\u5b8c\u6210\u8fd9\u4e9b\u4efb\u52a1\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u5e38\u89c1\u7684Linux\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u65e5\u5fd7\u89e3\u6790\u548c\u7b5b\u9009\u3002 grep\u547d\u4ee4 grep \u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6587\u672c\u641c\u7d22\u5de5\u5177\uff0c\u53ef\u4ee5\u5728\u6587\u4ef6\u6216\u8005\u6807\u51c6\u8f93\u5165\u4e2d\u641c\u7d22\u5339\u914d\u67d0\u4e2a\u6a21\u5f0f\u7684\u884c\uff0c\u5e76\u5c06\u7ed3\u679c\u8f93\u51fa\u3002\u4ee5\u4e0b\u662f grep \u547d\u4ee4\u7684\u4e00\u4e9b\u5e38\u89c1\u7528\u6cd5\uff1a \u5728\u6587\u4ef6\u4e2d\u641c\u7d22\u67d0\u4e2a\u5173\u952e\u8bcd\uff1a grep &#8220;keyword&#8221; filename \u767b\u5f55\u540e\u590d\u5236 \u5ffd\u7565\u5927\u5c0f\u5199\u8fdb\u884c\u641c\u7d22\uff1a grep -i &#8220;keyword&#8221; filename \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\u5339\u914d\u884c\u53ca\u5176\u4e0a\u4e0b\u6587\uff1a grep -A context &#8220;keyword&#8221; filename grep -B context &#8220;keyword&#8221; filename grep -C context &#8220;keyword&#8221; filename \u767b\u5f55\u540e\u590d\u5236 \u9650\u5236\u641c\u7d22\u7684\u6587\u4ef6\u7c7b\u578b\u4e3a\u65e5\u5fd7\u6587\u4ef6\uff1a grep &#8220;keyword&#8221; *.log \u767b\u5f55\u540e\u590d\u5236 awk\u547d\u4ee4 awk \u662f\u4e00\u79cd\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u9010\u884c\u89e3\u6790\u6587\u4ef6\u5e76\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u6765\u6267\u884c\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f awk \u547d\u4ee4\u7684\u4e00\u4e9b\u5e38\u89c1\u7528\u6cd5\uff1a \u8f93\u51fa\u6307\u5b9a\u5217\uff1a awk &#8216;{print $1, $2}&#8217; filename \u767b\u5f55\u540e\u590d\u5236 \u6839\u636e\u67d0\u5217\u7684\u503c\u6765\u7b5b\u9009\u884c\uff1a awk &#8216;$1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-16438","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=16438"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16438\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}