{"id":281,"date":"2025-01-10T11:15:14","date_gmt":"2025-01-10T11:15:14","guid":{"rendered":"http:\/\/47.122.24.175\/?p=281"},"modified":"2025-03-24T03:55:12","modified_gmt":"2025-03-24T03:55:12","slug":"2025%e6%af%8f%e6%97%a5%e5%ad%a6%e4%b9%a0-3","status":"publish","type":"post","link":"https:\/\/linuxjk.cn\/?p=281","title":{"rendered":"awk\u4e13\u9898\uff08day 24\uff09"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"281\" class=\"elementor elementor-281\">\n\t\t\t\t<div class=\"elementor-element elementor-element-78e3544 e-flex e-con-boxed e-con e-parent\" data-id=\"78e3544\" 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-33bc13d elementor-widget elementor-widget-heading\" data-id=\"33bc13d\" 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=281\/#%E4%B8%89%E5%89%91%E5%AE%A2%E4%B9%8Bawk\" >\u4e09\u5251\u5ba2\u4e4bawk<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/linuxjk.cn\/?p=281\/#awk%E6%A6%82%E8%BF%B0\" >awk\u6982\u8ff0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/linuxjk.cn\/?p=281\/#awk%E5%8F%96%E8%A1%8C\" >awk\u53d6\u884c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/linuxjk.cn\/?p=281\/#awk%E5%8F%96%E5%88%97\" >awk\u53d6\u5217<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/linuxjk.cn\/?p=281\/#%E5%8F%96%E8%A1%8C%E4%B8%8E%E5%8F%96%E5%88%97\" >\u53d6\u884c\u4e0e\u53d6\u5217<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/linuxjk.cn\/?p=281\/#awk%E7%BB%9F%E8%AE%A1%E4%B8%8E%E8%AE%A1%E7%AE%97\" >awk\u7edf\u8ba1\u4e0e\u8ba1\u7b97<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/linuxjk.cn\/?p=281\/#awk%E6%80%BB%E7%BB%93\" >awk\u603b\u7ed3<\/a><\/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%8Bawk\"><\/span>\u4e09\u5251\u5ba2\u4e4bawk<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-d4f07ea elementor-widget elementor-widget-text-editor\" data-id=\"d4f07ea\" 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=\"awk%E6%A6%82%E8%BF%B0\"><\/span><strong>awk\u6982\u8ff0<\/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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0f6316a e-flex e-con-boxed e-con e-parent\" data-id=\"0f6316a\" 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-5b7e86f elementor-widget elementor-widget-text-editor\" data-id=\"5b7e86f\" 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>awk\u652f\u6301\u66f4\u590d\u6742\u7684\u7ed3\u6784\u5316\u7a0b\u5e8f\uff0c\u662f\u4e00\u95e8\u5b8c\u6574\u7684\u7f16\u7a0b\u8bed\u8a00<\/strong><br \/><strong>\u683c\u5f0f\uff1a awk \u9009\u9879 &#8216;\u6761\u4ef6{\u52a8\u4f5c}&#8217; \u6587\u4ef6<\/strong><\/p><p><strong>\u529f\u80fd\uff1a\u5355\u884c\u811a\u672c\u3001\u5224\u65ad\u4e0e\u5faa\u73af\u3001\u6570\u7ec4\u3001\u7edf\u8ba1\u529f\u80fd<\/strong><br \/><strong>\u6838\u5fc3\uff1a\u53d6\u884c\u3001\u53d6\u5217\u3001\u6df7\u5408\u53d6\u884c\u4e0e\u5217<\/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-35a1ba4 elementor-widget elementor-widget-image\" data-id=\"35a1ba4\" 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=\"1293\" height=\"1134\" src=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/awk\u6267\u884c\u6d41\u7a0b.webp\" class=\"attachment-full size-full wp-image-284\" alt=\"\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/awk\u6267\u884c\u6d41\u7a0b.webp 1293w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/awk\u6267\u884c\u6d41\u7a0b-300x263.png 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/awk\u6267\u884c\u6d41\u7a0b-1024x898.png 1024w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/01\/awk\u6267\u884c\u6d41\u7a0b-768x674.png 768w\" sizes=\"(max-width: 1293px) 100vw, 1293px\" \/>\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-96f4f5a elementor-widget elementor-widget-text-editor\" data-id=\"96f4f5a\" 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=\"awk%E5%8F%96%E8%A1%8C\"><\/span><strong>awk\u53d6\u884c<\/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-97c3c6d elementor-widget elementor-widget-text-editor\" data-id=\"97c3c6d\" 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>awk+&#8217;NR= &#8216;\u00a0 \u00a0 \u00a0 \u00a0#\u53d6\u51fa\u6307\u5b9a\u7684\u884c\uff0c\u6307\u5b9a\u8303\u56f4\u7684\u884c<\/strong><br \/><strong>awk+&#8217;\/\/&#8217; \u8fc7\u6ee4\u00a0 \u00a0# &#8216;\/x\/,\/y\/&#8217;\u4ece\u5305\u542bx\u7684\u884c\u5230\u5305\u542by\u7684\u884c<\/strong><br \/><strong>awk+\u5176\u4ed6\u53d8\u91cf\u529f\u80fd\u7528\u4e8e\u7cbe\u786e\u8fc7\u6ee4<\/strong><br \/><strong>NR\uff1aNumber of Record \u8bb0\u5f55\u53f7\uff0c\u884c\u53f7<\/strong><br \/><strong>\u53d6\u51fa\u7b2c\u4e00\u884c\uff1a awk &#8216;NR==1{print $0}&#8217; \/etc\/passwd<\/strong><br \/><strong>#{print $0}\u8f93\u51fa\u6574\u884c\u5185\u5bb9\uff0c\u5355\u72ec\u53d6\u884c\u7684\u65f6\u5019\u53ef\u4ee5\u7701\u7565\uff0c$0\u8868\u793a\u5f53\u524d\u884c\u7684\u5185\u5bb9<\/strong><br \/><strong>\u53d6\u51fa2-5\u884c\uff1aawk &#8216;NR&gt;=2 &amp;&amp; NR&lt;=5&#8217; \/etc\/passwd<\/strong><br \/><strong>\u8fc7\u6ee4\u51fa\/etc\/passwd\u4e2d\u5305\u542broot\u6216nobody\u7684\u884c<\/strong><br \/><strong>awk &#8216;\/root|nobody\/&#8217; \/etc\/passwd<\/strong><br \/><strong>\u4ece\u5305\u542broot\u7684\u884c\u5230\u5305\u542bnobody\u7684\u884c<\/strong><br \/><strong>awk &#8216;\/root\/,\/nobody\/&#8217; \/etc\/passwd<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a6457a3 e-flex e-con-boxed e-con e-parent\" data-id=\"a6457a3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cd67d5a elementor-widget elementor-widget-text-editor\" data-id=\"cd67d5a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><span class=\"ez-toc-section\" id=\"awk%E5%8F%96%E5%88%97\"><\/span><strong>awk\u53d6\u5217<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-399d605 e-flex e-con-boxed e-con e-parent\" data-id=\"399d605\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-16b05ab elementor-widget elementor-widget-text-editor\" data-id=\"16b05ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u5728awk\u4e2d$+\u6570\u5b57\u8868\u793a\u53d6\u5217\u00a0 {}\u4e2d\u7684&#8221;&#8221;\u91cc\u7684\u5185\u5bb9\u4f1a\u88ab\u8f93\u51fa<\/strong><br \/><strong>-F \u53ef\u4ee5\u6307\u5b9a\u5206\u9694\u7b26\uff0c\u9ed8\u8ba4\u4e3a\u7a7a\u683c\uff0c-F: \u53ef\u4ee5\u52a0\u6b63\u5219 -F &#8216;[0-9]+&#8217;<\/strong><br \/><strong>column -t\u53ef\u4ee5\u5bf9\u9f50\u8f93\u51fa\u7684\u6bcf\u5217\u5185\u5bb9\uff0c\u4e00\u822c\u914d\u5408awk\u4f7f\u7528<\/strong><br \/><strong>&#8220;\\t&#8221; \u653e\u5728\u6bcf\u5217\u4e2d\u95f4\u53ef\u4ee5\u5bf9\u9f50\u6bcf\u5217\u5185\u5bb9\uff0c\u7528\u4e8e\u683c\u5f0f\u5316\u8f93\u51fa\uff0c\\t\u8868\u793a\u5236\u8868\u7b26<\/strong><br \/><strong>$NF\u8868\u793a\u6700\u540e\u4e00\u5217\uff0cNumber of Field\u6bcf\u884c\u6709\u591a\u5c11\u5217<\/strong><br \/><strong>$(NF-1)\u53d6\u51fa\u5012\u6570\u7b2c2\u5217\uff0c\u4e00\u822c\u7528\u4e8e\u6b63\u5411\u53d6\u53d1\u751f\u53d8\u5316\u6216\u6570\u5b57\u8fc7\u5927<\/strong><\/p><p><strong>1.\u53d6\u51fa\/etc\/passwd\u7684\u7b2c1\uff0c3\uff0c\u6700\u540e\u4e00\u5217<\/strong><br \/><strong>awk -F: &#8216;{print $1,$3,$NF}&#8217; \/etc\/passwd | column -t<\/strong><br \/><strong>2.\u6307\u5b9a\u590d\u6742\u5206\u9694\u7b26\u53d6\u51faIP\u5730\u5740 \u63d0\u793a\uff1ainet \u524d\u67094\u4e2a\u7a7a\u683c\uff08\u7ecf\u5178\u529f\u80fd\uff1a\u5229\u7528\u6b63\u5219\u6307\u5b9a\u591a\u4e2a\u5206\u9694\u7b26\uff09<\/strong><br \/><strong>ip a s eth0 | awk &#8216;NR==3&#8217; | awk &#8216;{print $2}&#8217; | awk -F\/ &#8216;{print $1}&#8217;<\/strong><br \/><strong>ip a s eth0 | awk -F &#8216;[ \/]+&#8217; &#8216;NR==5{print $3}&#8217;<\/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-2a46340 e-flex e-con-boxed e-con e-parent\" data-id=\"2a46340\" 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-e3f83bd elementor-widget elementor-widget-text-editor\" data-id=\"e3f83bd\" 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=\"%E5%8F%96%E8%A1%8C%E4%B8%8E%E5%8F%96%E5%88%97\"><\/span><strong>\u53d6\u884c\u4e0e\u53d6\u5217<\/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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fcb587a e-flex e-con-boxed e-con e-parent\" data-id=\"fcb587a\" 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-0b93e47 elementor-widget elementor-widget-text-editor\" data-id=\"0b93e47\" 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>\uff08\u5408\u5e76\u53d6\u884c\u548c\u53d6\u5217\uff09<\/strong><br \/><strong>1.\u53d6\u51fastat \/etc\/hosts\u76840644\u90e8\u5206<\/strong><br \/><strong>stat \/etc\/hosts | awk -F &#8216;[(\/]&#8217; &#8216;NR==4{print $2}&#8217;<\/strong><br \/><strong>2.\u53d6\u51fa\/etc\/passwd \u6587\u4ef6\u4e2d\u7b2c3\u5217\u5927\u4e8e1000\u7684\u884c\uff0c\u53d6\u51fa\u6587\u4ef6\u7684\u7b2c1\uff0c3\uff0c\u6700\u540e\u4e00\u5217<\/strong><br \/><strong>awk -F: &#8216;$3&gt;1000&#8217; \/etc\/passwd #\u7b2c\u4e09\u5217\u5927\u4e8e1000\u7684\u884c $&gt;1000\u5c31\u662f\u6761\u4ef6\u7c7b\u4f3c\u4e8eNR==1<\/strong><br \/><strong>awk -F: &#8216;$3&gt;1000{print $1,$3,$NF}&#8217; \/etc\/passwd | column -t<\/strong><br \/><strong>3.\u5982\u679c\u7cfb\u7edfswap\u4f7f\u7528\u8d85\u8fc70\uff0c\u5219\u8f93\u51fa\u201c\u5f02\u5e38\u7cfb\u7edf\u5f00\u59cb\u4f7f\u7528swap\u201d<\/strong><br \/><strong>\u6761\u4ef6\uff1a1\u3002\u8fc7\u6ee4\u51faswap\uff08\u7b2c\u4e09\u884c\uff092.\u7b2c\u4e09\u5217\u5927\u4e8e0<\/strong><br \/><strong>free | awk &#8216;NR==3 &amp;&amp; $3&gt;0{print &#8220;&#8221;}&#8217;<\/strong><br \/><strong>\u6216\u7528\/swap\/\u8fc7\u6ee4\u51faswap\u7684\u884c\u66ff\u6362NR==3<\/strong><br \/><strong>4.\u8fc7\u6ee4\u51fa\/etc\/passwd\u7b2c4\u5217\u7684\u6570\u5b57\u662f\u4ee50\u62161\u5f00\u5934\u7684\u884c\uff0c\u8f93\u51fa\u7b2c1\u5217\uff0c\u7b2c3\u5217\uff0c\u7b2c4\u5217<\/strong><br \/><strong>awk -F\uff1a &#8216;$4~\/^[01]\/&#8217; \/etc\/passwd #\u8868\u793a\u627e\u51fa\u7b26\u5408\u6761\u4ef6\u7684\u884c<\/strong><br \/><strong>awk -F\uff1a &#8216;$4~\/^[01]\/{print $1,$3}&#8217; \/etc\/passwd<\/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-4ec8cdb elementor-widget elementor-widget-text-editor\" data-id=\"4ec8cdb\" 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>\u53d6\u884c\u53d6\u5217\u5c0f\u7ed3<\/strong><br \/><strong>awk\u4e2d\u53ef\u4ee5\u5bf9\u67d0\u5217\u8fdb\u884c\u8fc7\u6ee4\uff0c\u67d0\u4e00\u5217\u4e2d\u542b\u6709xxxx\u5185\u5bb9<\/strong><br \/><strong>~\u8868\u793a\u5305\u542b\u7684\u610f\u601d\uff0c$1~\/root\/\u8868\u793a\u7b2c1\u5217\u4e2d\u5305\u542broot<\/strong><br \/><strong>!~\u8868\u793a\u4e0d\u5305\u542b<\/strong><br \/><strong>\u53d6\u884c\uff08\u6761\u4ef6\uff09\uff1aNR==1,NR&gt;=,$3&gt;=1000,$3~\/1\/<\/strong><br \/><strong>\u53d6\u5217\uff08\u5206\u9694\u7b26\uff0c\u52a8\u4f5c\uff09\uff1a$1,$NF,$(NF-1)<\/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-a0cf455 elementor-widget elementor-widget-text-editor\" data-id=\"a0cf455\" 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=\"awk%E7%BB%9F%E8%AE%A1%E4%B8%8E%E8%AE%A1%E7%AE%97\"><\/span>awk\u7edf\u8ba1\u4e0e\u8ba1\u7b97<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-f928727 elementor-widget elementor-widget-text-editor\" data-id=\"f928727\" 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\t1.\u7c7b\u4f3c\u4e8ewc-l\u7edf\u8ba1\u6b21\u6570\uff0c\u7edf\u8ba1\u4e00\u5171\u6709\u591a\u5c11\u884c\nawk &#8216;{i=i+1} END {print i}&#8217; \/etc\/passwd\ni\u662f\u4e00\u4e2a \u53d8\u91cf\u540d\uff0c\u53ef\u4ee5\u6362\u6210\u5176\u5b83\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\nEND{} \u5185\u5bb9\u4f1a\u5728awk\u8bfb\u53d6\u5b8c\u6587\u4ef6\u7684\u65f6\u5019\u6267\u884c\nEND{} \u4e00\u822c\u7528\u4e8e\u8f93\u51fa\u6267\u884c\u7ed3\u679c\n\u8fd9\u4e2a\u6848\u4f8b\u672a\u6765\u53ef\u4ee5\u642d\u914dawk\u5404\u79cd\u6761\u4ef6\u8fdb\u884c\u7edf\u8ba1\u548c\u8ba1\u7b97\n\n2.\u8fdb\u884c\u6c42\u548c\uff0c\u7d2f\u52a0\nseq 10 > num.txt \u8ba1\u7b97\u8fd9\u4e00\u5217\u6570\u5b57\u548c\nawk &#8216;{i=i+$1} END {print i}&#8217;   i=i+$1(i+=$1)\u5c06\u7b2c\u4e00\u5217\u7684\u6570\u503c\u7d2f\u52a0\u5230i\n\u5982\u679c\u540c\u65f6\u8ba1\u7b97\u4e24\u5217 awk &#8216;{i=i+$1 ; j=j+$2} END {print $1,$2}&#8217;\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-e27322b elementor-widget elementor-widget-text-editor\" data-id=\"e27322b\" 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=\"awk%E6%80%BB%E7%BB%93\"><\/span><strong>awk\u603b\u7ed3<\/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-4af82cf elementor-widget elementor-widget-text-editor\" data-id=\"4af82cf\" 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>\u6838\u5fc3\uff1aawk\u53d6\u884c\u4e0e\u53d6\u5217<br \/>\u719f\u7ec3\uff1aawk\u5bf9\u5217\u6bd4\u8f83\u5927\u5c0f\uff08\u53d6\u51fa\u7b2c\u4e09\u5217\u5927\u4e8e1000\u7684\u884c\uff09<br \/>\u719f\u6089\uff1aawk\u5bf9\u5217\u8fc7\u6ee4\uff08<strong>\u8fc7\u6ee4\u51fa\/etc\/passwd\u7b2c4\u5217\u7684\u6570\u5b57\u662f\u4ee50\u62161\u5f00\u5934\u7684\u884c\uff0c\u8f93\u51fa\u7b2c1\u5217\uff0c\u7b2c3\u5217\uff0c\u7b2c4\u5217\uff09\u7528\u2018$4~\/[^01]\/{print $1,$3}&#8217;<\/strong><br \/>\u96be\u70b9\uff1aawk\u8ba1\u7b97\u6c42\u548c<\/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\u4e4bawk awk\u6982\u8ff0 awk\u652f\u6301\u66f4\u590d\u6742\u7684\u7ed3\u6784\u5316\u7a0b\u5e8f\uff0c\u662f\u4e00\u95e8\u5b8c\u6574\u7684\u7f16\u7a0b\u8bed\u8a00\u683c\u5f0f\uff1a awk \u9009\u9879 &#038;#821 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[12],"class_list":["post-281","post","type-post","status-publish","format-standard","hentry","category-vxhs888p","tag-study-note"],"_links":{"self":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=281"}],"version-history":[{"count":29,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/281\/revisions"}],"predecessor-version":[{"id":571,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/281\/revisions\/571"}],"wp:attachment":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}