{"id":138,"date":"2017-12-18T14:40:28","date_gmt":"2017-12-18T14:40:28","guid":{"rendered":"http:\/\/www.liutianfeng.com\/?p=138"},"modified":"2018-01-12T13:26:19","modified_gmt":"2018-01-12T13:26:19","slug":"uniq","status":"publish","type":"post","link":"https:\/\/www.liutianfeng.com\/?p=138","title":{"rendered":"uniq"},"content":{"rendered":"<p><strong>\u7cfb\u7edf\u5e2e\u52a9\uff1a<\/strong><\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\">uniq - report or omit repeated lines<\/code><\/pre>\n<p>\u62a5\u544a\u6216\u8005\u5ffd\u7565\u91cd\u590d\u7684\u884c\uff0c\u5728\u8fd9\u91cc\uff0c\u53ea\u6709\u76f8\u90bb\u7684\u5b8c\u5168\u76f8\u540c\u7684\u884c\u624d\u88ab\u8ba4\u4e3a\u662f\u91cd\u590d\u7684\u3002\u56e0\u6b64\uff0c\u5f88\u591a\u65f6\u5019\uff0cuniq\u548csort\u8054\u7528\u3002<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\">opt:\r\n -c: \u663e\u793a\u6587\u4ef6\u4e2d\u884c\u91cd\u590d\u7684\u6b21\u6570, \u5728\u5185\u5bb9\u7684\u524d\u9762, \u663e\u793a\u91cd\u590d\u7684\u6b21\u6570.\r\n -d: \u53ea\u663e\u793a\u91cd\u590d\u7684\u884c\uff0c\u6bcf\u4e00\u4e2a\u91cd\u590d\u7684\u90e8\u5206\u53ea\u663e\u793a\u4e00\u6b21\r\n -D: \u663e\u793a\u6240\u6709\u91cd\u590d\u7684\u884c, \u540c\u6837\uff0c\u5fc5\u987b\u662f\u76f8\u90bb\u7684<\/code><\/pre>\n<p><strong>\u4f8b\u5b50\uff1a<\/strong><\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\">exp\uff1a\r\n# cat a.txt    \/\/ \u793a\u4f8b\u6587\u672c\r\naaa\r\nbbb\r\nbbb\r\nccc\r\nbbb\r\naaa\r\naaa\r\n\r\n# uniq -c a.txt    \/\/ -c\u663e\u793a\u6b21\u6570\r\n 1 aaa\r\n 2 bbb\r\n 1 ccc\r\n 1 bbb\r\n 2 aaa\r\n\r\n# uniq -d a.txt   \/\/ -d\u663e\u793a\u91cd\u590d\u7684\u4e00\u884c\r\nbbb\r\naaa\r\n\r\n# uniq -D a.txt    \/\/ -D\u663e\u793a\u6240\u6709\u91cd\u590d\u884c\r\nbbb\r\nbbb\r\naaa\r\naaa<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/www.liutianfeng.com\">liutianfeng.com<\/a> &raquo; <a href=\"https:\/\/www.liutianfeng.com\/?p=138\">uniq<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u7cfb\u7edf\u5e2e\u52a9\uff1a uniq &#8211; report or omit repeated lines \u62a5\u544a\u6216\u8005\u5ffd\u7565\u91cd\u590d\u7684\u884c\uff0c\u5728 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[14],"_links":{"self":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/138"}],"collection":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=138"}],"version-history":[{"count":4,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/138\/revisions"}],"predecessor-version":[{"id":406,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/138\/revisions\/406"}],"wp:attachment":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}