{"id":94,"date":"2025-01-03T07:42:02","date_gmt":"2025-01-03T07:42:02","guid":{"rendered":"http:\/\/47.122.24.175\/?p=94"},"modified":"2025-05-13T08:46:49","modified_gmt":"2025-05-13T08:46:49","slug":"2025%e6%af%8f%e6%97%a5%e5%ad%a6%e4%b9%a0-2","status":"publish","type":"post","link":"https:\/\/linuxjk.cn\/?p=94","title":{"rendered":"sed\u589e\u5220\u6539\u67e5 (day 23)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"94\" class=\"elementor elementor-94\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1e23857 e-flex e-con-boxed e-con e-parent\" data-id=\"1e23857\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cb42910 elementor-widget elementor-widget-heading\" data-id=\"cb42910\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/linuxjk.cn\/?p=94\/#%E4%B8%89%E5%89%91%E5%AE%A2%E4%B9%8Bsed\" >\u4e09\u5251\u5ba2\u4e4bsed<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/linuxjk.cn\/?p=94\/#%E6%AD%A3%E5%88%99%E8%A1%A5%E5%85%85perl%E8%AF%AD%E8%A8%80\" 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href=\"https:\/\/linuxjk.cn\/?p=94\/#sed%E5%A2%9E%E5%88%A0%E6%94%B9%E6%9F%A5%E4%B9%8B%E4%BF%AE%E6%94%B9%EF%BC%88%E6%9B%BF%E6%8D%A2%EF%BC%89\" >sed\u589e\u5220\u6539\u67e5\u4e4b\u4fee\u6539\uff08\u66ff\u6362\uff09<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/linuxjk.cn\/?p=94\/#%E6%9B%BF%E6%8D%A2%E8%BF%9B%E9%98%B6_1%E5%90%8E%E5%90%91%E5%BC%95%E7%94%A8%E6%A0%BC%E5%BC%8F\" >\u66ff\u6362\u8fdb\u9636 1.\u540e\u5411\u5f15\u7528\u683c\u5f0f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/linuxjk.cn\/?p=94\/#sed%E5%A2%9E%E5%88%A0%E6%94%B9%E6%9F%A5%E4%B9%8B%E5%88%A0%E9%99%A4\" >sed\u589e\u5220\u6539\u67e5\u4e4b\u5220\u9664<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/linuxjk.cn\/?p=94\/#sed%E5%A2%9E%E5%88%A0%E6%94%B9%E6%9F%A5%E4%B9%8B%E5%A2%9E%E5%8A%A0\" >sed\u589e\u5220\u6539\u67e5\u4e4b\u589e\u52a0<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"%E4%B8%89%E5%89%91%E5%AE%A2%E4%B9%8Bsed\"><\/span>\u4e09\u5251\u5ba2\u4e4bsed<span class=\"ez-toc-section-end\"><\/span><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-504a233 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"504a233\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"%E6%AD%A3%E5%88%99%E8%A1%A5%E5%85%85perl%E8%AF%AD%E8%A8%80\"><\/span>\u6b63\u5219\u8865\u5145perl\u8bed\u8a00<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a218e2d elementor-widget elementor-widget-text-editor\" data-id=\"a218e2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u53ea\u6709grep\u652f\u6301perl\u8bed\u8a00\u6b63\u5219<\/strong><br \/><strong>.\u00a0 \u5339\u914d\u9664\u6362\u884c\u7b26\u5916\u7684\u4efb\u610f\u5b57\u7b26\u3002<\/strong><br \/><strong>\\d \u8868\u793a\u6570\u5b57 [0-9]<\/strong><br \/><strong>\\w \u8868\u793a\u6570\u5b57\uff0c\u4e0b\u5212\u7ebf\uff0c\u5927\u5c0f\u5199\u5b57\u6bcd [0-9a-zA-Z]<\/strong><br \/><strong>\\s \u5339\u914d\u7684\u7a7a\u5b57\u7b26\uff0c\u7a7a\u683ctab\u56de\u8f66\u7b49 [\\ \\t\\r\\n\\f] \\n\u8868\u793a\u56de\u8f66 \\t\u8868\u793atab\u952e tab\u4e00\u822c\u662f8\u4e2a\u7a7a\u683c<\/strong><br \/><strong>\\D \u8868\u793a\u6392\u9664\u6570\u5b57 [^0-9]<\/strong><br \/><strong>\\S \u975e\u7a7a\u5b57\u7b26<\/strong><br \/><strong>\\W \u6392\u9664\u6570\u5b57\uff0c\u5b57\u6bcd\uff0c\u4e0b\u5212\u7ebf<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b3a992b elementor-widget elementor-widget-text-editor\" data-id=\"b3a992b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"%E9%9B%B6%E7%A2%8E%E7%9A%84%E6%AD%A3%E5%88%99-%E6%8B%AC%E5%8F%B7%E8%A1%A8%E8%BE%BE%E5%BC%8F-%E4%BA%86%E8%A7%A3\"><\/span><strong>\u96f6\u788e\u7684\u6b63\u5219-\u62ec\u53f7\u8868\u8fbe\u5f0f-\u4e86\u89e3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44bb2cb elementor-widget elementor-widget-text-editor\" data-id=\"44bb2cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>&#8216;[a-zA-Z0-9]&#8217;='[[:alnum:]]&#8217;\u00a0 \u00a0\u51e0\u4e4e\u4e0d\u7528<\/strong><\/p><ul><li><strong><code>[[:alpha:]]<\/code>\uff1a\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u5b57\u6bcd\uff08\u5305\u62ec\u5927\u5199\u548c\u5c0f\u5199\uff09\u3002<\/strong><\/li><li><strong><code>[[:digit:]]<\/code>\uff1a\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u6570\u5b57\uff08\u76f8\u5f53\u4e8e\u00a0<code>[0-9]<\/code>\uff09\u3002<\/strong><\/li><li><strong><code>[[:lower:]]<\/code>\uff1a\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u5c0f\u5199\u5b57\u6bcd\u3002<\/strong><\/li><li><strong><code>[[:upper:]]<\/code>\uff1a\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u5927\u5199\u5b57\u6bcd\u3002<\/strong><\/li><li><strong><code>[[:space:]]<\/code>\uff1a\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u7a7a\u767d\u5b57\u7b26\uff08\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u7b49\uff09\u3002<\/strong><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c1110b elementor-widget elementor-widget-text-editor\" data-id=\"3c1110b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><span class=\"ez-toc-section\" id=\"sed%E5%91%BD%E4%BB%A4\"><\/span><strong>sed\u547d\u4ee4<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a59c43c elementor-widget elementor-widget-image\" data-id=\"a59c43c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1837\" height=\"972\" src=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/sed\u547d\u4ee4\u683c\u5f0f\u548c\u529f\u80fd.webp\" class=\"attachment-full size-full wp-image-225\" alt=\"\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/sed\u547d\u4ee4\u683c\u5f0f\u548c\u529f\u80fd.webp 1837w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/sed\u547d\u4ee4\u683c\u5f0f\u548c\u529f\u80fd-300x159.webp 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/sed\u547d\u4ee4\u683c\u5f0f\u548c\u529f\u80fd-1024x542.webp 1024w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/sed\u547d\u4ee4\u683c\u5f0f\u548c\u529f\u80fd-768x406.webp 768w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/sed\u547d\u4ee4\u683c\u5f0f\u548c\u529f\u80fd-1536x813.webp 1536w\" sizes=\"(max-width: 1837px) 100vw, 1837px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e433cbd elementor-widget elementor-widget-text-editor\" data-id=\"e433cbd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u6838\u5fc3\u529f\u80fd\uff1a\u53d6\u884c\uff0c\u8fc7\u6ee4\uff0c\u66ff\u6362\u4fee\u6539\u6587\u4ef6\u5185\u5bb9<\/strong><br \/><strong>\u96be\u70b9\uff1a\u5411\u540e\u5f15\u7528\uff08\u622a\u53d6\uff09<\/strong><br \/><strong>sed stream editor \u6d41\u7f16\u8f91\u5668 \u901a\u8fc7sed\u547d\u4ee4\u5904\u7406\u4e00\u884c\u884c\u7684\u6570\u636e<\/strong><br \/><strong>\u547d\u4ee4 \u9009\u9879 \u8be6\u7ec6\u683c\u5f0f \u53c2\u6570<\/strong><br \/><strong>sed &#8216;\u6761\u4ef6\u52a8\u4f5c'(\u627e\u8c01\u5e72\u5565\uff09 \u6587\u4ef6<\/strong><br \/><strong>\u6761\u4ef6\uff1b\u5339\u914d\u54ea\u4e00\u884c\uff0c\u54ea\u4e9b\u884c<\/strong><br \/><strong>\u52a8\u4f5c\uff1a\u589e\u5220\u6539\u67e5<\/strong><br \/><strong>sed -n &#8216;3p&#8217; \/etc\/passwd #\u663e\u793a\u7b2c\u4e09\u884c\u5185\u5bb9<\/strong><br \/><strong>p\u8868\u793a\u663e\u793a\/\u67e5\u627e\uff08\u8f93\u51fa\uff09 \u5982\u679c\u4e0d\u52a0n\u4f1a\u9ed8\u8ba4\u8f93\u51fa\uff0c\u8bfb\u4e00\u884c\u663e\u793a\u4e00\u884c\uff08\u663e\u793a\u6587\u4ef6\u5168\u90e8\u5185\u5bb9\uff09\uff0c\u7b2c\u4e09\u884c\u663e\u793a2\u904d<\/strong><br \/><strong>\u9009\u9879 \u8bf4\u660e<\/strong><br \/><strong>-n \u53d6\u6d88\u9ed8\u8ba4\u8f93\u51fa<\/strong><br \/><strong>-r sed\u652f\u6301\u62d3\u5c55\u6b63\u5219<\/strong><br \/><strong>-i \u4fee\u6539\u6587\u4ef6\u5185\u5bb9 \u8fd9\u4e2a\u9009\u9879\u8981\u653e\u5728\u4e00\u884c\u547d\u4ee4\u7684\u6700\u540e\uff0c-ir\u8868\u793a\u4fee\u6539\u5185\u5bb9\u4e4b\u524d\u751f\u6210\u4ee5r\u7ed3\u5c3e\u7684\u5907\u4efd\u6587\u4ef6<\/strong><br \/><strong>-i.bak \u5148\u8fdb\u884c\u5907\u4efd\uff0c\u7136\u540e\u4fee\u6539\u6587\u4ef6\u5185\u5bb9<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cbe58b0 elementor-widget elementor-widget-text-editor\" data-id=\"cbe58b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"sed%E5%A2%9E%E5%88%A0%E6%94%B9%E6%9F%A5%E4%B9%8B%E6%9F%A5%E6%89%BE\"><\/span><strong>sed\u589e\u5220\u6539\u67e5\u4e4b\u67e5\u627e<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0468a85 e-flex e-con-boxed e-con e-parent\" data-id=\"0468a85\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-07ed49e elementor-widget elementor-widget-text-editor\" data-id=\"07ed49e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u4e00\u79cd\u662f\u7c7b\u4f3c\u4e8egrep\u7684\u6a21\u7cca\u67e5\u627e\uff0c\/\/\uff0c\u6a21\u7cca\u8868\u793a\u8303\u56f4\uff08\u7528\u4e8e\u65e5\u5fd7\uff09<\/strong><br \/><strong>\u4e00\u79cd\u662f\u7cbe\u786e\u67e5\u627e\u884c\u53f7\uff0c\/\/\u8868\u793a\u6761\u4ef6\uff08\u627e\u8c01\uff09\uff0c\u9664\u4e86\u7ed9p\uff08\u67e5\u627e\uff09\u7528\uff0c\u8fd8\u53ef\u4ee5\u7ed9\u6539\uff0c\u589e\u52a0\uff0c\u5220\u9664<\/strong><br \/><strong>\u6267\u884c\u591a\u4e2a\u547d\u4ee4\u65f6\u53ef\u4ee5\u7528;\u95f4\u9694\u8868\u793a\u524d\u9762\u547d\u4ee4\u7ed3\u675f<\/strong><br \/><strong><code>sed -n '3p;5p' \/etc\/passwd<\/code>\u663e\u793a\u7b2c3\u884c\u548c\u7b2c5\u884c<\/strong><br \/><strong><code>sed -n '2,9p' \/etc\/passwd<\/code>\u663e\u793a\u7b2c2-9\u884c<\/strong><br \/><strong>sed\u7684\u8fc7\u6ee4\u529f\u80fd\u9700\u8981\u7528 &#8216;\/\/p&#8217; \/ \/p\u4e2d\u95f4\u652f\u6301\u6b63\u5219\uff0c\u52a0r\u652f\u6301\u6269\u5c55\u6b63\u5219<\/strong><br \/><strong><code>sed -n '\/^root\/p' \/etc\/passwd<\/code>\u8fc7\u6ee4root\u5f00\u5934\u7684\u884c\uff0c\u4e0d\u52a0^\u8868\u793a\u542b\u6709root\u7684\u884c<\/strong><br \/><strong>#sed\u8fc7\u6ee4\u6ca1\u6709\u989c\u8272<\/strong><br \/><strong>sed\u547d\u4ee4\u7279\u8272\uff1a\u83b7\u53d6\u8303\u56f4\u5185\u7684\u65e5\u5fd7 \u5c24\u5176\u65f6\u95f4\u8303\u56f4\u8981\u7cbe\u786e<\/strong><br \/><strong><code>sed -n '\/\/ , \/\/p' sed.txt<\/code><\/strong><br \/><strong><code>sed -n '\/10:00:00\/ , \/11:00:00\/p' sed.txt<\/code> \u67e5\u770b10\uff1a00\uff1a00\u523011\uff1a00\uff1a00\u4e4b\u95f4\u7684\u65e5\u5fd7\u5185\u5bb9#\u5177\u4f53\u683c\u5f0f\u8981\u770b\u65e5\u5fd7\u6587\u4ef6\u4e2d\u65f6\u95f4\u7684\u5199\u6cd5<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-641a29f elementor-widget elementor-widget-text-editor\" data-id=\"641a29f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"sed%E5%A2%9E%E5%88%A0%E6%94%B9%E6%9F%A5%E4%B9%8B%E4%BF%AE%E6%94%B9%EF%BC%88%E6%9B%BF%E6%8D%A2%EF%BC%89\"><\/span><strong>sed\u589e\u5220\u6539\u67e5\u4e4b\u4fee\u6539\uff08\u66ff\u6362\uff09<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d185d84 e-flex e-con-boxed e-con e-parent\" data-id=\"d185d84\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-df2e383 elementor-widget elementor-widget-text-editor\" data-id=\"df2e383\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u4e0d\u4fee\u6539\u6587\u4ef6\u5185\u5bb9\uff0c\u53ea\u4fee\u6539\u8f93\u51fa<\/strong><br \/><strong>\u683c\u5f0f\u8bf4\u660e\uff1ased &#8216;s###g&#8217; sed.txt (s@@@g,,s\/\/\/g\u90fd\u53ef\u4ee5\uff09<\/strong><br \/><strong>\u9632\u6b62\u66ff\u6362\u7684\u5185\u5bb9\u6709#\uff0c\u53ef\u4ee5\u6362\u6210\u5176\u4ed6\u5b57\u7b26\u5982@\/\u7b49\u7b49\uff0c\u4f46\u53ef\u4ee5\u7528###\u540c\u65f6\u7528\\\u8f6c\u4e49\u5b57\u7b26<\/strong><br \/><strong>\u524d\u4e24\u4e2a#\u4e4b\u95f4\u53ef\u4ee5\u7528\u6b63\u5219<\/strong><br \/><strong>s:substitute \u66ff\u6362 g:global \u5168\u5c40\u66ff\u6362\uff0c\u8fd9\u4e00\u884c\u4e2d\u628a\u6240\u6709\u5339\u914d\u5230\u7684\u5185\u5bb9\u8fdb\u884c\u66ff\u6362\uff0c\u5426\u5219\u53ea\u66ff\u6362\u6389\u6bcf\u4e00\u884c\u7b2c\u4e00\u4e2a\u5339\u914d\u5230\u7684\u5185\u5bb9<\/strong><br \/><strong>sed -i \u4fee\u6539\u6587\u4ef6\u5185\u5bb9<\/strong><br \/><strong>\u628a\u6587\u4ef6\u91cc\u7684lidao\u4fee\u6539\u6210oldboy\uff08\u4fee\u6539\u6587\u4ef6\u5185\u5bb9\uff09\uff0c\u4e0d\u52a0-i\u8868\u793a\u53ea\u4fee\u6539\u8f93\u51fa<\/strong><br \/><strong>sed -i &#8216;s#lidao#oldboy#g&#8217; sed.txt<\/strong><br \/><strong>sed -i.bak &#8216;s#lidao#oldboy#g&#8217; sed.txt \u8868\u793a\u4fee\u6539\u524d\u8fdb\u884c\u5907\u4efd\u6210sed.txt.bak,\u4e00\u822c\u7528\u4e8e\u66ff\u6362\u67d0\u4e00\u4e2a\u6587\u4ef6\uff0c\u591a\u4e2a\u6587\u4ef6\u7528\u6253\u5305\u538b\u7f29\u8fdb\u884c\u5907\u4efd<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e4e10b8 e-flex e-con-boxed e-con e-parent\" data-id=\"e4e10b8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-af5909d elementor-widget elementor-widget-text-editor\" data-id=\"af5909d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4><span class=\"ez-toc-section\" id=\"%E6%9B%BF%E6%8D%A2%E8%BF%9B%E9%98%B6_1%E5%90%8E%E5%90%91%E5%BC%95%E7%94%A8%E6%A0%BC%E5%BC%8F\"><\/span><strong>\u66ff\u6362\u8fdb\u9636<\/strong><br \/><strong>1.\u540e\u5411\u5f15\u7528\u683c\u5f0f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><p><br \/><strong>\u8bf4\u660e\uff1a\u540e\u5411\u5f15\u7528\u6216\u53cd\u5411\u5f15\u7528\uff0c\u9002\u7528\u4e8esed\u547d\u4ee4\u5904\u7406\/\u63d0\u53d6\u4e00\u884c\u4e2d\u7684\u67d0\u4e2a\u90e8\u5206\uff0csed\u547d\u4ee4\u914d\u5408\u6b63\u5219\u5b9e\u73b0\u53d6\u5217\uff08\u7c7b\u4f3c\u4e8eawk\u53d6\u5217\uff09\uff0c\u662fsed\u547d\u4ee4\u4e2d\u7528\u4e8e\u5904\u7406\u5217\u7684\u65b9\u5f0f<\/strong><\/p><p><strong>\u4f7f\u7528\u683c\u5f0f\uff1a\u4f7f\u7528\u66ff\u6362\u7684\u683c\u5f0f s###g<\/strong><br \/><strong>\u524d\u4e24\u4e2a#\u4e4b\u95f4\u901a\u8fc7\u6b63\u5219\u4e0e\uff08\uff09\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7ec4<\/strong><br \/><strong>\u540e\u9762\u4e24\u4e2a#\u4e4b\u95f4\u901a\u8fc7\\\u6570\u5b57\u8c03\u7528\u7b2cn\u7ec4\u7684\u6570\u636e<\/strong><br \/><strong>\u6574\u4f53\u662f\u540e\u9762\u8c03\u7528\u524d\u9762\u5206\u7ec4\u7684\u5185\u5bb9\uff0c\u79f0\u4e3a\u540e\u5411\u5f15\u7528\uff0c\u53cd\u5411\u5f15\u7528<\/strong><br \/><strong>\u5e94\u7528\u573a\u666f\uff1a\u67d0\u4e00\u884c\u4e2d\u5bf9\u90e8\u5206\u6570\u636e\u8fdb\u884c\u52a0\u5de5\u548c\u5904\u7406\uff0c\u63d0\u53d6\u67d0\u4e00\u90e8\u5206\u6570\u636e\u3002<\/strong><br \/><strong>\u6848\u4f8b\uff1a\u8f93\u51fa1&lt;234567&gt;8\uff08\u5bf9\u4e8e12345678\u8fd9\u4e00\u884c\u8fdb\u884c\u5904\u7406\uff09<\/strong><br \/><strong>echo &#8216;12345678&#8217; | sed\u00a0 -r &#8216;s#(1)(.*)(8)#\\1#g&#8217; #\u52a0\u4e0a-r \u5373\u53ef\u4f7f\u7528()<\/strong><\/p><p><strong>1.\u8c03\u6362\/etc\/passwd \u7b2c\u4e00\u5217\u548c\u6700\u540e\u4e00\u5217\u5185\u5bb9<\/strong><br \/><strong>sed -r &#8216;s#^(.*)(:x.*:)(.*)$#\\3\\2\\1#g&#8217; \/etc\/passwd<\/strong><br \/><strong>sed -r &#8216;s#^([a-zA-Z0-9_-]+)(:.*:)(.*)$#\\3\\2\\1#g&#8217; \/etc\/passwd<\/strong><br \/><strong>2.\u53d6\u51fa\u7f51\u5361ip\u5730\u5740 ip address show eth0 \u53d6\u51fa\u7b2c\u4e94\u884c\u91cc\u7684ip\u5730\u5740<\/strong><br \/><strong>ip a s eth0 | sed -n &#8216;5p&#8217; | sed -r &#8216;s#^(.*)(inet )(.*)(\/.*)$#\\3#g&#8217;<\/strong><br \/><strong>\u5982\u679c\u7528\u4e0d\u4e0a\u4e00\u6574\u884c\u7684\u4fe1\u606f\uff0c\u4e0d\u7528\u5427\u6574\u884c\u5185\u5bb9\u5168\u90e8\u5206\u7ec4\uff0c\u7528\u4ec0\u4e48\u628a\u4ec0\u4e48\u5206\u51fa\u6765<\/strong><br \/><strong>ip a s eth0 | sed -n &#8216;5p&#8217; | sed -r &#8216;s#^.*inet (.*)\/.*$#\\1#g&#8217;<\/strong><br \/><strong>\u5408\u5e76\uff1aip a s eth0 | sed-nr &#8216;3 s###g p&#8217; \u8868\u793a\u5bf9\u7b2c\u4e09\u884c\u8fdb\u884csg\u66ff\u6362<\/strong><br \/><strong>\u53d6\u51fastat \/etc\/hosts \u4e2d\u76840644\u6216644<\/strong><br \/><strong>stat \/etc\/hosts | sed -n &#8216;4p&#8217; | sed -r &#8216;s#^[a-zA-Z: ]+\\(([0-9]+)\/.*$#\\1#g&#8217;<\/strong><br \/><strong>sed -r &#8216;s#^.*\\(([0-9]+)\/.*$#\\1#g&#8217;<\/strong><br \/><strong>0644<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3bf8079 e-flex e-con-boxed e-con e-parent\" data-id=\"3bf8079\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-72886c1 elementor-widget elementor-widget-text-editor\" data-id=\"72886c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"sed%E5%A2%9E%E5%88%A0%E6%94%B9%E6%9F%A5%E4%B9%8B%E5%88%A0%E9%99%A4\"><\/span><strong>sed\u589e\u5220\u6539\u67e5\u4e4b\u5220\u9664<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62764aa elementor-widget elementor-widget-text-editor\" data-id=\"62764aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>d delete sed\u547d\u4ee4\u5220\u9664\u529f\u80fd\u6309\u7167\u884c\u4e3a\u5355\u4f4d\u8fdb\u884c<\/strong><br \/><strong>\u5982\u679c\u4ec5\u4ec5\u5220\u9664\u67d0\u4e00\u884c\u7684\u4e00\u4e9b\u5b57\u7b26\u63a8\u8350\u4f7f\u7528\u66ff\u6362\uff08\u4fee\u6539\uff09 &#8216;s#[a-z]##g&#8217;<\/strong><br \/><strong>\u683c\u5f0f\uff1a sed &#8216;3d&#8217; sed.txt \u4e0d\u7528\u52a0-n\uff0c \u4e0d\u52a0-i\u53ea\u4fee\u6539\u8f93\u51fa\uff0c\u4e0d\u6539\u53d8\u6587\u4ef6\u5185\u5bb9<\/strong><br \/><strong>sed &#8216;1,3d&#8217; \u5220\u96641-3\u884c sed &#8216;1d,3d&#8217; \u5220\u96641\u548c3\u884c sed &#8216;\/ \/d&#8217; \u5220\u9664\/\/\u6761\u4ef6\u4e2d\u7684\u884c\uff0c\/\/\u4e2d\u5199\u6b63\u5219<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0e01109 e-flex e-con-boxed e-con e-parent\" data-id=\"0e01109\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-398dcfc elementor-widget elementor-widget-text-editor\" data-id=\"398dcfc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"sed%E5%A2%9E%E5%88%A0%E6%94%B9%E6%9F%A5%E4%B9%8B%E5%A2%9E%E5%8A%A0\"><\/span><strong>sed\u589e\u5220\u6539\u67e5\u4e4b\u589e\u52a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-665cfb1 elementor-widget elementor-widget-text-editor\" data-id=\"665cfb1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>cai\u4e09\u4e2a\u6307\u4ee4<\/strong><br \/><strong>a append \u5728\u6307\u5b9a\u884c\u4e0b\u9762\u8ffd\u52a0\u5185\u5bb9 sed &#8216;3a \u5185\u5bb9&#8217; \u6307\u5b9a\u6587\u4ef6<\/strong><br \/><strong>sed &#8216;\/oldboy\/a \u5185\u5bb9&#8217; sed.txt \u5728\u5305\u542b\/oldboy\/\u7684\u4e0b\u4e00\u884c\u52a0\u5165\u5185\u5bb9<\/strong><br \/><strong>i insert \u5728\u6307\u5b9a\u884c\u4e0a\u9762\u63d2\u5165\u4e00\u884c sed &#8216;3i \u5185\u5bb9&#8217; \u6307\u5b9a\u6587\u4ef6<\/strong><br \/><strong>c replace \u66ff\u6362\u6307\u5b9a\u884c\u7684\u5185\u5bb9 sed &#8216;3c \u5185\u5bb9&#8217; \u6307\u5b9a\u6587\u4ef6<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u4e09\u5251\u5ba2\u4e4bsed \u6b63\u5219\u8865\u5145perl\u8bed\u8a00 \u53ea\u6709grep\u652f\u6301perl\u8bed\u8a00\u6b63\u5219.\u00a0 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