{"id":120,"date":"2019-09-05T13:41:41","date_gmt":"2019-09-05T05:41:41","guid":{"rendered":"http:\/\/feel.name\/?p=120"},"modified":"2019-09-05T13:42:05","modified_gmt":"2019-09-05T05:42:05","slug":"tail-f-%e5%a4%9a%e6%ac%a1grep%e8%bf%87%e6%bb%a4","status":"publish","type":"post","link":"https:\/\/feel.name\/?p=120","title":{"rendered":"tail -f \u591a\u6b21grep\u8fc7\u6ee4"},"content":{"rendered":"\n<p>\n\n\u5bf9\u65e5\u5fd7\u8bb0\u5f55\u505a\u591a\u6b21grep\u8fc7\u6ee4\u8f93\u51fa\uff0c\u683c\u5f0f\u5982\u4e0b\uff1a<br>tail -f log | grep xxx | grep yyy<br>\u53d1\u73b0grep\u5931\u6548\uff0c\u65e0\u6cd5\u505a\u6b63\u786e\u8f93\u51fa\u3002google\u7814\u7a76\u4e86\u4e00\u4e0b\uff0c\u539f\u56e0\u5982\u4e0b\uff1a<br>\u7ba1\u9053 | \u662f\u5168\u7f13\u51b2\u7684\uff0c\u4e00\u822c\u6765\u8bf4buffer_size\u4e3a4096\uff0c\u6709\u4e9b\u662f8192\u3002\u4e0d\u7ba1\u5177\u4f53\u503c\u591a\u5c11\uff0c\u53ea\u6709buffer_size\u6ee1\u4e86\uff0c\u624d\u4f1a\u770b\u5230\u8f93\u51fa\u3002<br>\u5728\u64cd\u4f5c\u91cc&nbsp; &gt;&gt;file \u8fd9\u4e2a\u64cd\u4f5c\u4e5f\u662f\u5168\u7f13\u51b2\u7684\u3002\u8c03\u6574\u5982\u4e0b<br>tail -f log | grep &#8211;line-buffer xxx | grep &#8211;line-buffer yyy<br>\u7ed3\u679c\u8f93\u51fa\u6b63\u5e38\u3002<br>grep\u5f53\u5e26\u4e0a\u4e86 &#8211;line-buffer \u7684\u65f6\u5019\uff0c\u6bcf\u8f93\u51fa\u4e00\u884c\uff0c\u5c31\u5237\u65b0\u4e00\u6b21\u3002<br>\u5728unix\u91cc\uff0c\u5757\u8bbe\u5907\u548c\u666e\u901a\u6587\u4ef6\uff0c\u4ee5\u53ca\u7ba1\u9053\u90fd\u662f\u5168\u7f13\u51b2\u7684\u3002<\/p>\n\n\n\n<p>\u5bf9\u65e5\u5fd7\u5206\u6790\u544a\u8b66\u548c\u5b9e\u65f6\u76d1\u63a7\u53ef\u4ee5\u8003\u8651\u5982\u4e0b\u5f62\u5f0f\uff1a<\/p>\n\n\n\n<p>tail -f $LOGF | while read var<br>do<br>case &#8220;$var&#8221; in<br>&#8230;<br>&#8230;<br>esac<br><\/p>\n\n\n\n<p>done<\/p>\n\n\n\n<p><a href=\"http:\/\/www.quwenqing.com\/read-134.html\">http:\/\/www.quwenqing.com\/read-134.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u65e5\u5fd7\u8bb0\u5f55\u505a\u591a\u6b21grep\u8fc7\u6ee4\u8f93\u51fa\uff0c\u683c\u5f0f\u5982\u4e0b\uff1atail -f log | grep xxx | grep yyy&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,1],"tags":[],"class_list":["post-120","post","type-post","status-publish","format-standard","hentry","category-linux","category-youqu"],"_links":{"self":[{"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=120"}],"version-history":[{"count":1,"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/120\/revisions"}],"predecessor-version":[{"id":121,"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/120\/revisions\/121"}],"wp:attachment":[{"href":"https:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}