{"id":52392,"date":"2024-12-03T12:18:24","date_gmt":"2024-12-03T04:18:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52392\/"},"modified":"2024-12-03T12:18:24","modified_gmt":"2024-12-03T04:18:24","slug":"linux-uniq%e5%91%bd%e4%bb%a4%e6%80%8e%e4%b9%88%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52392\/","title":{"rendered":"Linux uniq\u547d\u4ee4\u600e\u4e48\u4f7f\u7528"},"content":{"rendered":"

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

Linux uniq\u547d\u4ee4\u600e\u4e48\u4f7f\u7528<\/h1>\n

\u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300aLinux uniq\u547d\u4ee4\u600e\u4e48\u4f7f\u7528\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

Linux uniq \u547d\u4ee4\u7528\u4e8e\u68c0\u67e5\u53ca\u5220\u9664\u6587\u672c\u6587\u4ef6\u4e2d\u91cd\u590d\u51fa\u73b0\u7684\u884c\u5217\uff0c\u4e00\u822c\u4e0e sort \u547d\u4ee4\u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n

uniq \u53ef\u68c0\u67e5\u6587\u672c\u6587\u4ef6\u4e2d\u91cd\u590d\u51fa\u73b0\u7684\u884c\u5217\u3002<\/p>\n

\u8bed\u6cd5\uff1a<\/strong><\/p>\n

uniq [-cdu][-f<\u680f\u4f4d>][-s<\u5b57\u7b26\u4f4d\u7f6e>][-w<\u5b57\u7b26\u4f4d\u7f6e>][--help][--version][\u8f93\u5165\u6587\u4ef6][\u8f93\u51fa\u6587\u4ef6]<\/pre>\n
\u53c2\u6570\uff1a<\/strong><\/p>\n
-c\u6216–count \u5728\u6bcf\u5217\u65c1\u8fb9\u663e\u793a\u8be5\u884c\u91cd\u590d\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/p>\n
-d\u6216–repeated \u4ec5\u663e\u793a\u91cd\u590d\u51fa\u73b0\u7684\u884c\u5217\u3002<\/p>\n
-f<\u680f\u4f4d>\u6216–skip-fields=<\u680f\u4f4d> \u5ffd\u7565\u6bd4\u8f83\u6307\u5b9a\u7684\u680f\u4f4d\u3002<\/p>\n
-s<\u5b57\u7b26\u4f4d\u7f6e>\u6216–skip-chars=<\u5b57\u7b26\u4f4d\u7f6e> \u5ffd\u7565\u6bd4\u8f83\u6307\u5b9a\u7684\u5b57\u7b26\u3002<\/p>\n
-u\u6216–unique \u4ec5\u663e\u793a\u51fa\u4e00\u6b21\u7684\u884c\u5217\u3002<\/p>\n
-w<\u5b57\u7b26\u4f4d\u7f6e>\u6216–check-chars=<\u5b57\u7b26\u4f4d\u7f6e> \u6307\u5b9a\u8981\u6bd4\u8f83\u7684\u5b57\u7b26\u3002<\/p>\n
–help \u663e\u793a\u5e2e\u52a9\u3002<\/p>\n
–version \u663e\u793a\u7248\u672c\u4fe1\u606f\u3002<\/p>\n
[\u8f93\u5165\u6587\u4ef6] \u6307\u5b9a\u5df2\u6392\u5e8f\u597d\u7684\u6587\u672c\u6587\u4ef6\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u6b64\u9879\uff0c\u5219\u4ece\u6807\u51c6\u8bfb\u53d6\u6570\u636e\uff1b<\/p>\n
[\u8f93\u51fa\u6587\u4ef6] \u6307\u5b9a\u8f93\u51fa\u7684\u6587\u4ef6\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u6b64\u9009\u9879\uff0c\u5219\u5c06\u5185\u5bb9\u663e\u793a\u5230\u6807\u51c6\u8f93\u51fa\u8bbe\u5907\uff08\u663e\u793a\u7ec8\u7aef\uff09\u3002<\/p>\n
\u5b9e\u4f8b\uff1a<\/strong><\/p>\n
\u6587\u4ef6testfile\u4e2d\u7b2c 2\u30013\u30015\u30016\u30017\u30019\u884c\u4e3a\u76f8\u540c\u7684\u884c\uff0c\u4f7f\u7528 uniq \u547d\u4ee4\u5220\u9664\u91cd\u590d\u7684\u884c\uff0c\u53ef\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
uniq<\/pre>\n
testfile\u4e2d\u7684\u539f\u6709\u5185\u5bb9\u4e3a\uff1a<\/p>\n
$ cat testfile      #\u539f\u6709\u5185\u5bb9  \ntest 30  \ntest 30  \ntest 30  \nHello 95  \nHello 95  \nHello 95  \nHello 95  \nLinux 85  \nLinux 85<\/pre>\n
\u4f7f\u7528uniq \u547d\u4ee4\u5220\u9664\u91cd\u590d\u7684\u884c\u540e\uff0c\u6709\u5982\u4e0b\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n
$ uniq testfile     #\u5220\u9664\u91cd\u590d\u884c\u540e\u7684\u5185\u5bb9  \ntest 30  \nHello 95  \nLinux 85<\/pre>\n
\u68c0\u67e5\u6587\u4ef6\u5e76\u5220\u9664\u6587\u4ef6\u4e2d\u91cd\u590d\u51fa\u73b0\u7684\u884c\uff0c\u5e76\u5728\u884c\u9996\u663e\u793a\u8be5\u884c\u91cd\u590d\u51fa\u73b0\u7684\u6b21\u6570\u3002\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n
uniq<\/pre>\n
\u7ed3\u679c\u8f93\u51fa\u5982\u4e0b\uff1a<\/p>\n
$ uniq -c testfile      #\u5220\u9664\u91cd\u590d\u884c\u540e\u7684\u5185\u5bb9  \n3 test 30             #\u524d\u9762\u7684\u6570\u5b57\u7684\u610f\u4e49\u4e3a\u8be5\u884c\u5171\u51fa\u73b0\u4e863\u6b21  \n4 Hello 95            #\u524d\u9762\u7684\u6570\u5b57\u7684\u610f\u4e49\u4e3a\u8be5\u884c\u5171\u51fa\u73b0\u4e864\u6b21  \n2 Linux 85<\/pre>\n
\u5f53\u91cd\u590d\u7684\u884c\u5e76\u4e0d\u76f8\u90bb\u65f6\uff0cuniq \u547d\u4ee4\u662f\u4e0d\u8d77\u4f5c\u7528\u7684\uff0c\u5373\u82e5\u6587\u4ef6\u5185\u5bb9\u4e3a\u4ee5\u4e0b\u65f6\uff0cuniq \u547d\u4ee4\u4e0d\u8d77\u4f5c\u7528\uff1a<\/p>\n
$ cat testfile1      # \u539f\u6709\u5185\u5bb9 \ntest 30  \nHello 95  \nLinux 85 \ntest 30  \nHello 95  \nLinux 85 \ntest 30  \nHello 95  \nLinux 85<\/pre>\n
\u8fd9\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528 sort\uff1a<\/p>\n
$ sort  testfile1 | uniq\nHello 95  \nLinux 85 \ntest 30<\/pre>\n
\u7edf\u8ba1\u5404\u884c\u5728\u6587\u4ef6\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\uff1a<\/p>\n
$ sort testfile1 | uniq -c\n   3 Hello 95  \n   3 Linux 85 \n   3 test 30<\/pre>\n
\u5728\u6587\u4ef6\u4e2d\u627e\u51fa\u91cd\u590d\u7684\u884c\uff1a<\/p>\n
$ sort testfile1 | uniq -d\nHello 95  \nLinux 85 \ntest 30<\/pre>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aLinux uniq\u547d\u4ee4\u600e\u4e48\u4f7f\u7528\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Linux uniq\u547d\u4ee4\u600e\u4e48\u4f7f\u7528 \u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300aLinux uniq\u547d\u4ee4\u600e\u4e48\u4f7f\u7528\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01 Linux uniq \u547d\u4ee4\u7528\u4e8e\u68c0\u67e5\u53ca\u5220\u9664\u6587\u672c\u6587\u4ef6\u4e2d\u91cd\u590d\u51fa\u73b0\u7684\u884c\u5217\uff0c\u4e00\u822c\u4e0e sort \u547d\u4ee4\u7ed3\u5408\u4f7f\u7528\u3002 uniq \u53ef\u68c0\u67e5\u6587\u672c\u6587\u4ef6\u4e2d\u91cd\u590d\u51fa\u73b0\u7684\u884c\u5217\u3002 \u8bed\u6cd5\uff1a uniq [-cdu][-f<\u680f\u4f4d>][-s<\u5b57\u7b26\u4f4d\u7f6e>][-w<\u5b57\u7b26\u4f4d\u7f6e>][–help][–version][\u8f93\u5165\u6587\u4ef6][\u8f93\u51fa\u6587\u4ef6] \u53c2\u6570\uff1a -c\u6216–count \u5728\u6bcf\u5217\u65c1\u8fb9\u663e\u793a\u8be5\u884c\u91cd\u590d\u51fa\u73b0\u7684\u6b21\u6570\u3002 -d\u6216–repeated \u4ec5\u663e\u793a\u91cd\u590d\u51fa\u73b0\u7684\u884c\u5217\u3002 -f<\u680f\u4f4d>\u6216–skip-fields=<\u680f\u4f4d> \u5ffd\u7565\u6bd4\u8f83\u6307\u5b9a\u7684\u680f\u4f4d\u3002 -s<\u5b57\u7b26\u4f4d\u7f6e>\u6216–skip-chars=<\u5b57\u7b26\u4f4d\u7f6e> \u5ffd\u7565\u6bd4\u8f83\u6307\u5b9a\u7684\u5b57\u7b26\u3002 -u\u6216–unique \u4ec5\u663e\u793a\u51fa\u4e00\u6b21\u7684\u884c\u5217\u3002 -w<\u5b57\u7b26\u4f4d\u7f6e>\u6216–check-chars=<\u5b57\u7b26\u4f4d\u7f6e> \u6307\u5b9a\u8981\u6bd4\u8f83\u7684\u5b57\u7b26\u3002 –help \u663e\u793a\u5e2e\u52a9\u3002 –version \u663e\u793a\u7248\u672c\u4fe1\u606f\u3002 [\u8f93\u5165\u6587\u4ef6] \u6307\u5b9a\u5df2\u6392\u5e8f\u597d\u7684\u6587\u672c\u6587\u4ef6\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u6b64\u9879\uff0c\u5219\u4ece\u6807\u51c6\u8bfb\u53d6\u6570\u636e\uff1b [\u8f93\u51fa\u6587\u4ef6] \u6307\u5b9a\u8f93\u51fa\u7684\u6587\u4ef6\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u6b64\u9009\u9879\uff0c\u5219\u5c06\u5185\u5bb9\u663e\u793a\u5230\u6807\u51c6\u8f93\u51fa\u8bbe\u5907\uff08\u663e\u793a\u7ec8\u7aef\uff09\u3002 \u5b9e\u4f8b\uff1a \u6587\u4ef6testfile\u4e2d\u7b2c 2\u30013\u30015\u30016\u30017\u30019\u884c\u4e3a\u76f8\u540c\u7684\u884c\uff0c\u4f7f\u7528 uniq \u547d\u4ee4\u5220\u9664\u91cd\u590d\u7684\u884c\uff0c\u53ef\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a uniq testfile\u4e2d\u7684\u539f\u6709\u5185\u5bb9\u4e3a\uff1a $ cat testfile      #\u539f\u6709\u5185\u5bb9   test 30   test 30   test 30   Hello 95   Hello 95   Hello 95   Hello 95   Linux 85   Linux 85 \u4f7f\u7528uniq \u547d\u4ee4\u5220\u9664\u91cd\u590d\u7684\u884c\u540e\uff0c\u6709\u5982\u4e0b\u8f93\u51fa\u7ed3\u679c\uff1a $ uniq testfile     #\u5220\u9664\u91cd\u590d\u884c\u540e\u7684\u5185\u5bb9   test 30   […]<\/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-52392","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52392","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=52392"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52392\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52392"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}