{"id":125392,"date":"2023-07-24T10:46:32","date_gmt":"2023-07-24T02:46:32","guid":{"rendered":"http:\/\/www.idc.net\/help\/125392\/"},"modified":"2023-07-24T10:46:32","modified_gmt":"2023-07-24T02:46:32","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3linux%e4%b8%ad%e7%9a%84sed%e5%91%bd%e4%bb%a4-b%e5%92%8ct%e5%8f%82%e6%95%b0%e5%ba%94%e7%94%a8-linux%e4%b8%adsed%e9%87%8cb%e5%92%8ct","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/125392\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3Linux\u4e2d\u7684sed\u547d\u4ee4 b\u548ct\u53c2\u6570\u5e94\u7528 (linux\u4e2dsed\u91ccb\u548ct)"},"content":{"rendered":"<p>sed\u547d\u4ee4\u662fLinux\u73af\u5883\u4e0b\u4e00\u4e2a\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u6839\u636e\u9700\u8981\u5bf9\u6587\u672c\u8fdb\u884c\u7f16\u8f91\u3001\u66ff\u6362\u548c\u8f6c\u6362\u7b49\u64cd\u4f5c\u3002\u5176\u4e2d\uff0cb\u548ct\u53c2\u6570\u662fsed\u547d\u4ee4\u7ecf\u5e38\u4f7f\u7528\u7684\u4e24\u4e2a\u9009\u9879\u3002\u672c\u6587\u5c06\u6df1\u5165\u89e3\u6790\u8fd9\u4e24\u4e2a\u53c2\u6570\u7684\u4f5c\u7528\u53ca\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8fd0\u7528\u65b9\u6cd5\u3002<\/p>\n<p>1. b\u53c2\u6570<\/p>\n<p>b\u53c2\u6570\u7684\u4f5c\u7528\u662f\u8df3\u8fc7\u5f53\u524d\u5904\u7406\u7684\u884c\uff0c\u8f6c\u800c\u5904\u7406\u4e0b\u4e00\u884c\u3002\u5728\u4f7f\u7528sed\u547d\u4ee4\u65f6\uff0c\u5982\u679c\u9700\u8981\u5ffd\u7565\u7279\u5b9a\u7684\u884c\u6216\u5c06\u67d0\u4e00\u884c\u4f5c\u4e3a\u6761\u4ef6\u8df3\u8f6c\u5230\u6307\u5b9a\u7684\u884c\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528b\u53c2\u6570\u3002<\/p>\n<p>\u5728\u4f7f\u7528b\u53c2\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5f62\u5f0f\u7684\u547d\u4ee4\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sed \u2018\u5730\u5740;b \u6807\u8bb0\u2019<\/p>\n<p>\u201c`<\/p>\n<p>\u5176\u4e2d\u5730\u5740\u8868\u793a\u9700\u8981\u8fdb\u884c\u5904\u7406\u7684\u884c\u8303\u56f4\uff0c\u6807\u8bb0\u8868\u793a\u8df3\u8f6c\u5230\u7684\u884c\u6570\u6216\u6807\u7b7e\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u5c06\u6240\u6709\u5e26\u6709\u201c123\u201d\u5173\u952e\u5b57\u7684\u884c\u8df3\u8fc7\u5904\u7406\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sed \u2018\/123\/b\u2019 file.txt<\/p>\n<p>\u201c`<\/p>\n<p>\u540c\u6837\u5730\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6807\u7b7e\u7684\u65b9\u5f0f\u5b9e\u73b0\u8df3\u8f6c\uff0c\u4f8b\u5982\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sed \u20181,4 {\/Hello\/ b skip; s\/World\/Linux\/}\u2019 file.txt<\/p>\n<p>:skip<\/p>\n<p>\u201c`<\/p>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c1,4\u8868\u793a\u9700\u8981\u5904\u7406\u7684\u884c\u8303\u56f4\u3002\u5f53\u5904\u7406\u5230\u5305\u542b\u201cHello\u201d\u5173\u952e\u5b57\u7684\u884c\u65f6\uff0c\u4f1a\u8df3\u8f6c\u5230:skip\u6807\u7b7e\u6307\u5b9a\u7684\u884c\uff0c\u5426\u5219\u5c31\u6267\u884c\u540e\u9762\u7684\u66ff\u6362\u64cd\u4f5c\u3002<\/p>\n<p>2. t\u53c2\u6570<\/p>\n<p>t\u53c2\u6570\u7684\u4f5c\u7528\u662f\u57fa\u4e8e\u6761\u4ef6\u8fdb\u884c\u8df3\u8f6c\u3002\u5982\u679c\u6307\u5b9a\u7684\u6761\u4ef6\u5339\u914d\uff0c\u5219\u6267\u884c\u8df3\u8f6c\uff0c\u8df3\u8f6c\u5230\u6307\u5b9a\u7684\u6807\u7b7e\u6216\u884c\u3002<\/p>\n<p>\u5728\u4f7f\u7528t\u53c2\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5f62\u5f0f\u7684\u547d\u4ee4\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sed \u2018\u5730\u5740 {\u6761\u4ef6 t \u6807\u8bb0}\u2019<\/p>\n<p>\u201c`<\/p>\n<p>\u5176\u4e2d\u5730\u5740\u548c\u6807\u8bb0\u7684\u542b\u4e49\u548cb\u53c2\u6570\u662f\u76f8\u540c\u7684\u3002\u6761\u4ef6\u5219\u53ef\u4ee5\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u66ff\u6362\u547d\u4ee4\u6216\u5176\u4ed6\u547d\u4ee4\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u5c06\u6587\u4ef6\u4e2d\u6240\u6709\u7684\u5355\u8bcd\u201ccat\u201d\u66ff\u6362\u4e3a\u201cdog\u201d\uff0c\u5e76\u8bb0\u5f55\u66ff\u6362\u6b21\u6570\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sed \u2018:a; s\/cat\/dog\/; t a;\u2019 file.txt<\/p>\n<p>\u201c`<\/p>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c:a\u662f\u4e00\u4e2a\u6807\u7b7e\uff0cs\/cat\/dog\/\u662f\u66ff\u6362\u547d\u4ee4\u3002t a\u8868\u793a\u5f53\u66ff\u6362\u6210\u529f\u65f6\u8df3\u8f6c\u5230\u6807\u7b7e:a\uff0c\u8fd9\u4e2a\u6807\u7b7e\u4f1a\u8ba9sed\u5728\u4e0b\u4e00\u6b21\u5904\u7406\u65f6\u91cd\u65b0\u4ece\u4e4b\u4e00\u884c\u5f00\u59cb\uff0c\u76f4\u5230\u6240\u6709\u7684\u201ccat\u201d\u90fd\u88ab\u66ff\u6362\u4e3a\u201cdog\u201d\u3002<\/p>\n<p>3. b\u548ct\u53c2\u6570\u7684\u7ed3\u5408\u8fd0\u7528<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0cb\u53c2\u6570\u548ct\u53c2\u6570\u5e76\u4e0d\u662f\u5b64\u7acb\u5b58\u5728\u7684\u3002\u5b83\u4eec\u901a\u5e38\u662f\u7ed3\u5408\u8fd0\u7528\uff0c\u4e00\u8d77\u6784\u6210\u66f4\u52a0\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u6d41\u7a0b\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u5220\u9664\u6587\u4ef6\u4e2d\u6240\u6709\u7684\u884c\u6ce8\u91ca\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sed \u2018<\/p>\n<p>\/^[[:space:]]*#\/ b<\/p>\n<p>\/^[[:space:]]*$\/ b<\/p>\n<p>s\/#.*\/\/<\/p>\n<p>\u2018 file.txt<\/p>\n<p>\u201c`<\/p>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c\u9996\u5148\u4f7f\u7528\u4e86b\u53c2\u6570\u6765\u8df3\u8fc7\u4ee5#\u5f00\u5934\u7684\u6ce8\u91ca\u884c\u548c\u7a7a\u884c\u3002\u7136\u540e\uff0c\u5229\u7528s\u547d\u4ee4\u8fdb\u884c\u66ff\u6362\uff0c\u5c06#\u540e\u7684\u5185\u5bb9\u5168\u90e8\u5220\u9664\u3002<\/p>\n<p>b\u548ct\u53c2\u6570\u662fsed\u547d\u4ee4\u4e2d\u5e38\u89c1\u7684\u4e24\u4e2a\u9009\u9879\uff0c\u53ef\u4ee5\u7528\u6765\u5feb\u901f\u5730\u8df3\u8fc7\u6216\u8df3\u8f6c\u884c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd9\u4e24\u4e2a\u53c2\u6570\u901a\u5e38\u4f1a\u7ed3\u5408\u8d77\u6765\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u52a0\u9ad8\u6548\u7684\u6587\u672c\u5904\u7406\u3002\u56e0\u6b64\uff0c\u719f\u7ec3\u638c\u63e1b\u548ct\u53c2\u6570\u7684\u4f7f\u7528\u65b9\u6cd5\u5bf9\u4e8eLinux\u7528\u6237\u6765\u8bf4\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p><strong>\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li>linux sed\u6c42\u89e3\u91ca\uff1a<\/li>\n<\/ul>\n<h3>linux sed\u6c42\u89e3\u91ca\uff1a<\/h3>\n<\/p>\n<p>~&gt;#<\/p>\n<p>echo<\/p>\n<p>\u201cabcdefg\u201d<\/p>\n<p>|<\/p>\n<p>sed<\/p>\n<p>\u2018s\/\/AA\/g\u2019<\/p>\n<\/p>\n<p>abAAdeAAg<\/p>\n<p>\u65b9\u6846\u62ec\u53f7\u5185\u7684\u610f\u601d\u662f\uff0c\u5339\u914d\u6307\u5b9a\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26,<\/p>\n<p>\u4ee5\u4e0a\u9762\u7684\u547d\u4ee4\u4e3a\u4f8b:<\/p>\n<p>\u53ea\u8981\u662f<\/p>\n<p>c<\/p>\n<p>\u548c<\/p>\n<p>f<\/p>\n<p>\u8fd9\u4e24\u4e2a\u5b57\u7b26\u5934\u66ff\u6362\u6210<\/p>\n<p>AA<\/p>\n<p>\u4e5f\u5c31\u662f\u8bf4:<\/p>\n<\/p>\n<p>test_awk&gt;#<\/p>\n<p>echo<\/p>\n<p>\u201c\u201d|sed<\/p>\n<\/p>\n<p>\u2018s\/\/<\/p>\n<p>\/g\u2019<\/p>\n<p>s\/\/\/g<\/p>\n<p>,<\/p>\n<p>\u6700\u5de6\u8fb9\u7684<\/p>\n<p>\u201c<\/p>\n<p>\u548c\u6700\u53f3\u8fb9\u7684<\/p>\n<p>\u201c&gt;\u201d<\/p>\n<p>\u7b26\u53f7\u662f\u85af\u94fe\u5185\u7f6e\u6570\u505a\u5b59\u4e0e<\/p>\n<p>sed<\/p>\n<p>\u7684\u6b63\u5219\u529f\u80e1\u96c0\u80fd<\/p>\n<p>..<\/p>\n<p>\u800c<\/p>\n<p>&gt;<\/p>\n<p>\u624d\u662f\u771f\u6b63\u8981\u5339\u914d\uff0c\u5e76\u4e14\u66ff\u6362\u7684\u5b57\u7b26..<\/p>\n<p>#<\/p>\n<p>cat<\/p>\n<p>test.txt<\/p>\n<p>123\uff1f\u614e\u558a4<\/p>\n<p>344\uff1fre<\/p>\n<p>fda?er<\/p>\n<p>#<\/p>\n<p>sed<\/p>\n<p>\u2018s\/\\?.*\/\/g\u2019<\/p>\n<p>test.txt<\/p>\n<p>123<\/p>\n<p>344<\/p>\n<p>fda<\/p>\n<p>\u201c?\u201d<\/p>\n<p>\u5728sed\u4e2d\u662f\u901a\u914d\u7b26\u7f3a\u5b5d\u7a57\u4ee3\u8868\u4e00\u81f3\u591a\u4e2a\u4efb\u610f\u5b57\u7b26\uff0c\u800c\u201c*\u201d\u662f\u4ee3\u8868\u4efb\u610f\u5b57\u7b26\u3002<\/p>\n<p>\u6240\u4ee5\u5728\u8981\u201c\uff1f\u201d\u4e4b\u524d\u4ef7\u683c\u8f6c\u4e49\u7b26\u201c\\\u201d\uff0c\u8fd9\u6837\u624d\u80fd\u5339\u914d\u5230\u5b57\u7b26\u201c\uff1f\u201d\u800c\u4e0d\u662f\u901a\u914d\u7b26\u201c\uff1f\u201d\u3002\u4f0f\u535c<\/p>\n<p>linux\u4e2dsed\u91ccb\u548ct\u7684\u4ecb\u7ecd\u5c31\u804a\u5230\u8fd9\u91cc\u5427\uff0c\u611f\u8c22\u4f60\u82b1\u65f6\u95f4\u9605\u8bfb\u672c\u7ad9\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8elinux\u4e2dsed\u91ccb\u548ct,\u6df1\u5165\u7406\u89e3Linux\u4e2d\u7684sed\u547d\u4ee4 b\u548ct\u53c2\u6570\u5e94\u7528,linux sed\u6c42\u89e3\u91ca\uff1a\u7684\u4fe1\u606f\u522b\u5fd8\u4e86\u5728\u672c\u7ad9\u8fdb\u884c\u67e5\u627e\u5594\u3002<\/p>\n<p><a href=\"http:https:\/\/idc.net\/\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u9996\u9009\u540e\u6d6a\u4e91\uff0c2H2G\u9996\u670810\u5143\u5f00\u901a\u3002<br \/>\u540e\u6d6a\u4e91\uff08www.IDC.Net\uff09\u63d0\u4f9b\u7b80\u5355\u597d\u7528\uff0c\u4ef7\u683c\u539a\u9053\u7684\u9999\u6e2f\/\u7f8e\u56fd\u4e91\u670d\u52a1\u5668\u548c\u72ec\u7acb\u670d\u52a1\u5668\u3002IDC+ISP+ICP\u8d44\u8d28\u3002ARIN\u548cAPNIC\u4f1a\u5458\u3002\u6210\u719f\u6280\u672f\u56e2\u961f15\u5e74\u884c\u4e1a\u7ecf\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>sed\u547d\u4ee4\u662fLinux\u73af\u5883\u4e0b\u4e00\u4e2a\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u6839\u636e\u9700\u8981\u5bf9\u6587\u672c\u8fdb\u884c\u7f16\u8f91\u3001\u66ff\u6362\u548c\u8f6c\u6362\u7b49\u64cd\u4f5c\u3002\u5176\u4e2d\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-125392","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/125392","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=125392"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/125392\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=125392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=125392"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=125392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}