{"id":17598,"date":"2024-11-18T12:22:27","date_gmt":"2024-11-18T04:22:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17598\/"},"modified":"2024-11-18T12:22:27","modified_gmt":"2024-11-18T04:22:27","slug":"linux%e5%bf%ab%e9%80%9f%e5%88%a0%e9%99%a4%e6%96%87%e4%bb%b6%e6%9c%ab%e5%b0%be%e8%a1%8c%e7%9a%84%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%aa%a4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17598\/","title":{"rendered":"Linux\u5feb\u901f\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u64cd\u4f5c\u6b65\u9aa4"},"content":{"rendered":"

\"Linux\u5feb\u901f\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u64cd\u4f5c\u6b65\u9aa4\u63d2\u56fe\"<\/p>\n

Linux\u7cfb\u7edf\u4e0b\u5728\u5904\u7406\u6587\u4ef6\u65f6\uff0c\u6709\u65f6\u5019\u9700\u8981\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u7684\u884c\u3002\u8fd9\u79cd\u64cd\u4f5c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5f88\u5e38\u89c1\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u7b80\u5355\u7684\u547d\u4ee4\u6765\u5b9e\u73b0\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5728Linux\u7cfb\u7edf\u4e2d\u5feb\u901f\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u64cd\u4f5c\u6b65\u9aa4\uff0c\u540c\u65f6\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u6b65\u9aa4\u4e00\uff1a\u67e5\u770b\u6587\u4ef6\u672b\u5c3e\u884c<\/strong><\/p>\n

\u5728\u8fdb\u884c\u5220\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u786e\u8ba4\u6587\u4ef6\u7684\u672b\u5c3e\u884c\u662f\u54ea\u4e00\u884c\u3002\u53ef\u4ee5\u4f7f\u7528tail\u547d\u4ee4\u6765\u67e5\u770b\u6587\u4ef6\u7684\u672b\u5c3e\u884c\uff0c\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n

tail -n 1 filename<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5176\u4e2d\uff0cfilename\u8868\u793a\u8981\u64cd\u4f5c\u7684\u6587\u4ef6\u540d\uff0c-n 1\u8868\u793a\u53ea\u67e5\u770b\u6700\u540e\u4e00\u884c\u7684\u5185\u5bb9\u3002<\/p>\n
\u6b65\u9aa4\u4e8c\uff1a\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c<\/strong><\/p>\n
\u4e00\u822c\u60c5\u51b5\u4e0b\u53ef\u4ee5\u4f7f\u7528sed\u547d\u4ee4\u6765\u5220\u9664\u6587\u4ef6\u7684\u672b\u5c3e\u884c\u3002\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
sed -i '$d' filename<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5176\u4e2d\uff0c-i\u8868\u793a\u76f4\u63a5\u5728\u539f\u6587\u4ef6\u4e0a\u8fdb\u884c\u4fee\u6539\uff0c’$d’\u8868\u793a\u5220\u9664\u6700\u540e\u4e00\u884c\u3002<\/p>\n
\u53e6\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528head\u548ctempfile\u7684\u7ec4\u5408\u6765\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u3002\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
head -n $(($(wc -l  tempfile &amp;&amp; mv tempfile filename<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4ee5\u4e0a\u547d\u4ee4\u4e2d\uff0cwc -l <\/p>\n
\u6b65\u9aa4\u4e09\uff1a\u9a8c\u8bc1\u5220\u9664\u64cd\u4f5c<\/strong><\/p>\n
\u5220\u9664\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528cat\u547d\u4ee4\u6765\u67e5\u770b\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u4ee5\u786e\u4fdd\u672b\u5c3e\u884c\u5df2\u7ecf\u6210\u529f\u5220\u9664\u3002\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
cat filename<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u5373\u53ef\u5feb\u901f\u5220\u9664Linux\u7cfb\u7edf\u4e0b\u6587\u4ef6\u7684\u672b\u5c3e\u884c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd9\u4e9b\u547d\u4ee4\u53ef\u4ee5\u65b9\u4fbf\u5feb\u6377\u5730\u5904\u7406\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u5220\u9664\u64cd\u4f5c\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fLinux\u5feb\u901f\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u64cd\u4f5c\u6b65\u9aa4\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":"
Linux\u7cfb\u7edf\u4e0b\u5728\u5904\u7406\u6587\u4ef6\u65f6\uff0c\u6709\u65f6\u5019\u9700\u8981\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u7684\u884c\u3002\u8fd9\u79cd\u64cd\u4f5c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5f88\u5e38\u89c1\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u7b80\u5355\u7684\u547d\u4ee4\u6765\u5b9e\u73b0\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5728Linux\u7cfb\u7edf\u4e2d\u5feb\u901f\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u64cd\u4f5c\u6b65\u9aa4\uff0c\u540c\u65f6\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u6b65\u9aa4\u4e00\uff1a\u67e5\u770b\u6587\u4ef6\u672b\u5c3e\u884c \u5728\u8fdb\u884c\u5220\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u786e\u8ba4\u6587\u4ef6\u7684\u672b\u5c3e\u884c\u662f\u54ea\u4e00\u884c\u3002\u53ef\u4ee5\u4f7f\u7528tail\u547d\u4ee4\u6765\u67e5\u770b\u6587\u4ef6\u7684\u672b\u5c3e\u884c\uff0c\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a tail -n 1 filename \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cfilename\u8868\u793a\u8981\u64cd\u4f5c\u7684\u6587\u4ef6\u540d\uff0c-n 1\u8868\u793a\u53ea\u67e5\u770b\u6700\u540e\u4e00\u884c\u7684\u5185\u5bb9\u3002 \u6b65\u9aa4\u4e8c\uff1a\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c \u4e00\u822c\u60c5\u51b5\u4e0b\u53ef\u4ee5\u4f7f\u7528sed\u547d\u4ee4\u6765\u5220\u9664\u6587\u4ef6\u7684\u672b\u5c3e\u884c\u3002\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a sed -i ‘$d’ filename \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0c-i\u8868\u793a\u76f4\u63a5\u5728\u539f\u6587\u4ef6\u4e0a\u8fdb\u884c\u4fee\u6539\uff0c’$d’\u8868\u793a\u5220\u9664\u6700\u540e\u4e00\u884c\u3002 \u53e6\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528head\u548ctempfile\u7684\u7ec4\u5408\u6765\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u3002\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a head -n $(($(wc -l tempfile &amp;&amp; mv tempfile filename \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u547d\u4ee4\u4e2d\uff0cwc -l \u6b65\u9aa4\u4e09\uff1a\u9a8c\u8bc1\u5220\u9664\u64cd\u4f5c \u5220\u9664\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528cat\u547d\u4ee4\u6765\u67e5\u770b\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u4ee5\u786e\u4fdd\u672b\u5c3e\u884c\u5df2\u7ecf\u6210\u529f\u5220\u9664\u3002\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a cat filename \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u5373\u53ef\u5feb\u901f\u5220\u9664Linux\u7cfb\u7edf\u4e0b\u6587\u4ef6\u7684\u672b\u5c3e\u884c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd9\u4e9b\u547d\u4ee4\u53ef\u4ee5\u65b9\u4fbf\u5feb\u6377\u5730\u5904\u7406\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u5220\u9664\u64cd\u4f5c\u3002 \u4ee5\u4e0a\u5c31\u662fLinux\u5feb\u901f\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u64cd\u4f5c\u6b65\u9aa4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-17598","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17598","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=17598"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17598\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}