{"id":51519,"date":"2024-12-03T11:28:10","date_gmt":"2024-12-03T03:28:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51519\/"},"modified":"2024-12-03T11:28:10","modified_gmt":"2024-12-03T03:28:10","slug":"linux%e5%88%a0%e9%99%a4%e6%96%87%e4%bb%b6%e6%9c%ab%e5%b0%be%e8%a1%8c%e7%9a%84%e5%bf%ab%e6%8d%b7%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51519\/","title":{"rendered":"Linux\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u5feb\u6377\u65b9\u6cd5"},"content":{"rendered":"

<\/b> <\/p>\n

Linux\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u5feb\u6377\u65b9\u6cd5<\/h1>\n

\u4f60\u5728\u5b66\u4e60\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300aLinux\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u5feb\u6377\u65b9\u6cd5\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/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<\/code>\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
\u5176\u4e2d\uff0cfilename<\/code>\u8868\u793a\u8981\u64cd\u4f5c\u7684\u6587\u4ef6\u540d\uff0c-n 1<\/code>\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<\/code>\u547d\u4ee4\u6765\u5220\u9664\u6587\u4ef6\u7684\u672b\u5c3e\u884c\u3002\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
sed -i '$d' filename<\/pre>\n
\u5176\u4e2d\uff0c-i<\/code>\u8868\u793a\u76f4\u63a5\u5728\u539f\u6587\u4ef6\u4e0a\u8fdb\u884c\u4fee\u6539\uff0c'$d'<\/code>\u8868\u793a\u5220\u9664\u6700\u540e\u4e00\u884c\u3002<\/p>\n
\u53e6\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528head<\/code>\u548ctempfile<\/code>\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 < filename) - 1)) filename > tempfile && mv tempfile filename<\/pre>\n
\u4ee5\u4e0a\u547d\u4ee4\u4e2d\uff0cwc -l < filename<\/code>\u7528\u4e8e\u8ba1\u7b97\u6587\u4ef6\u7684\u603b\u884c\u6570\uff0c\u7136\u540e\u901a\u8fc7head<\/code>\u548ctempfile<\/code>\u7684\u7ec4\u5408\u5220\u9664\u672b\u5c3e\u4e00\u884c\u3002<\/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<\/code>\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
\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
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aLinux\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u5feb\u6377\u65b9\u6cd5\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
\n
<\/dt>\n
\n   Mac\u529e\u516c\u8f6f\u4ef6\u5feb\u6377\u952e\u5168\u96c6\u53ca\u56fe\u7247\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
Linux\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u5feb\u6377\u65b9\u6cd5 \u4f60\u5728\u5b66\u4e60\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300aLinux\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u5feb\u6377\u65b9\u6cd5\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01 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 \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 ‘$d’ filename \u5176\u4e2d\uff0c-i\u8868\u793a\u76f4\u63a5\u5728\u539f\u6587\u4ef6\u4e0a\u8fdb\u884c\u4fee\u6539\uff0c’$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 < filename) – 1)) filename > tempfile && mv tempfile filename \u4ee5\u4e0a\u547d\u4ee4\u4e2d\uff0cwc -l < filename\u7528\u4e8e\u8ba1\u7b97\u6587\u4ef6\u7684\u603b\u884c\u6570\uff0c\u7136\u540e\u901a\u8fc7head\u548ctempfile\u7684\u7ec4\u5408\u5220\u9664\u672b\u5c3e\u4e00\u884c\u3002 \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 \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 \u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aLinux\u5220\u9664\u6587\u4ef6\u672b\u5c3e\u884c\u7684\u5feb\u6377\u65b9\u6cd5\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01 Mac\u529e\u516c\u8f6f\u4ef6\u5feb\u6377\u952e\u5168\u96c6\u53ca\u56fe\u7247<\/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-51519","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51519","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=51519"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51519\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}