{"id":2639,"date":"2026-05-23T11:47:23","date_gmt":"2026-05-23T03:47:23","guid":{"rendered":"https:\/\/www.madbull.site\/?p=2639"},"modified":"2026-05-23T11:47:58","modified_gmt":"2026-05-23T03:47:58","slug":"sed%e4%bf%ae%e6%94%b9%e6%96%87%e4%bb%b6%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/www.madbull.site\/?p=2639","title":{"rendered":"sed\u4fee\u6539\u6587\u4ef6\u7b80\u4ecb"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u524d\u8a00<\/h2>\n\n\n\n<p>\u5728\u65e5\u5e38\u7684 Linux \u8fd0\u7ef4\u548c\u5f00\u53d1\u5de5\u4f5c\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u5bf9\u6587\u672c\u6587\u4ef6\u8fdb\u884c\u6279\u91cf\u7f16\u8f91\u3001\u66ff\u6362\u3001\u5220\u9664\u7b49\u64cd\u4f5c\u3002\u867d\u7136\u53ef\u4ee5\u7528 Vim \u624b\u52a8\u7f16\u8f91\uff0c\u4f46\u5f53\u9762\u5bf9\u5927\u6587\u4ef6\u6216\u9700\u8981\u81ea\u52a8\u5316\u5904\u7406\u65f6\uff0csed \u5c31\u662f\u4f60\u7684\u6700\u4f73\u9009\u62e9\u3002<\/p>\n\n\n\n<p><strong>sed<\/strong> \u662f <strong>Stream Editor<\/strong>\uff08\u6d41\u7f16\u8f91\u5668\uff09\u7684\u7f29\u5199\uff0c\u5b83\u53ef\u4ee5\u5728\u4e0d\u6253\u5f00\u6587\u4ef6\u7684\u60c5\u51b5\u4e0b\uff0c\u5bf9\u6587\u672c\u8fdb\u884c\u9ad8\u6548\u7684\u7f16\u8f91\u5904\u7406\u3002\u672c\u6587\u5c06\u5e26\u4f60\u4ece\u96f6\u5f00\u59cb\uff0c\u638c\u63e1 sed \u7684\u6838\u5fc3\u7528\u6cd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001sed \u662f\u4ec0\u4e48\uff1f<\/h2>\n\n\n\n<p>sed \u662f\u4e00\u4e2a\u975e\u4ea4\u4e92\u5f0f\u6587\u672c\u7f16\u8f91\u5668\uff0c\u5b83\u6309\u7167\u9884\u8bbe\u7684\u89c4\u5219\u9010\u884c\u5904\u7406\u6587\u672c\uff0c\u9002\u7528\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6279\u91cf\u66ff\u6362\u6587\u4ef6\u4e2d\u7684\u5b57\u7b26\u4e32<\/li>\n\n\n\n<li>\u5220\u9664\u6216\u63d0\u53d6\u7279\u5b9a\u884c<\/li>\n\n\n\n<li>\u63d2\u5165\u3001\u8ffd\u52a0\u3001\u4fee\u6539\u6587\u672c\u5185\u5bb9<\/li>\n\n\n\n<li>\u81ea\u52a8\u5316\u811a\u672c\u4e2d\u7684\u6587\u672c\u5904\u7406<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u8bed\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">sed [\u9009\u9879] '\u547d\u4ee4' \u6587\u4ef6\u540d<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u7528\u9009\u9879<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9009\u9879<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>-i<\/code><\/td><td>\u76f4\u63a5\u4fee\u6539\u539f\u6587\u4ef6\uff08\u5371\u9669\u64cd\u4f5c\uff0c\u5efa\u8bae\u5148\u5907\u4efd\uff09<\/td><\/tr><tr><td><code>-e<\/code><\/td><td>\u6267\u884c\u591a\u4e2a sed \u547d\u4ee4<\/td><\/tr><tr><td><code>-n<\/code><\/td><td>\u9759\u9ed8\u6a21\u5f0f\uff0c\u53ea\u6253\u5370\u88ab\u5904\u7406\u7684\u884c<\/td><\/tr><tr><td><code>-r<\/code> \u6216 <code>-E<\/code><\/td><td>\u4f7f\u7528\u6269\u5c55\u6b63\u5219\u8868\u8fbe\u5f0f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6838\u5fc3\u6982\u5ff5\uff1a\u5730\u5740\u5b9a\u4f4d<\/h2>\n\n\n\n<p>sed \u7684\u6838\u5fc3\u662f <strong>&#8220;\u627e\u4f4d\u7f6e \u2192 \u505a\u64cd\u4f5c&#8221;<\/strong>\u3002\u4f60\u9700\u8981\u544a\u8bc9 sed \u8981\u5904\u7406\u54ea\u4e9b\u884c\uff08\u5730\u5740\uff09\uff0c\u7136\u540e\u6267\u884c\u4ec0\u4e48\u64cd\u4f5c\uff08\u547d\u4ee4\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5730\u5740\u5b9a\u4f4d\u65b9\u5f0f<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># 1. \u4e0d\u6307\u5b9a\u5730\u5740\uff1a\u5904\u7406\u6240\u6709\u884c\nsed 'd' file.txt        # \u5220\u9664\u6240\u6709\u884c\n\n# 2. \u6307\u5b9a\u884c\u53f7\nsed '3d' file.txt       # \u5220\u9664\u7b2c3\u884c\nsed '5,10d' file.txt    # \u5220\u9664\u7b2c5-10\u884c\n\n# 3. \u4f7f\u7528\u6b63\u5219\u5339\u914d\nsed '\/error\/d' file.txt # \u5220\u9664\u5305\u542berror\u7684\u884c\n\n# 4. \u4ece\u5339\u914d\u884c\u5230\u6587\u4ef6\u672b\u5c3e\nsed '\/start\/,$d' file.txt\n\n# 5. \u4f7f\u7528\u884c\u53f7\u4e0e\u6b63\u5219\u6df7\u5408\nsed '5,\/error\/d' file.txt # \u4ece\u7b2c5\u884c\u5220\u5230\u5339\u914derror\u7684\u884c<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u53d6\u53cd\u64cd\u4f5c <code>!<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u4e0d\u5220\u9664\u7b2c3\u884c\uff08\u5373\u4fdd\u7559\u7b2c3\u884c\uff0c\u5220\u9664\u5176\u4ed6\u6240\u6709\u884c\uff09\nsed '3!d' file.txt\n\n# \u5220\u9664\u4e0d\u5305\u542berror\u7684\u884c\nsed '\/error\/!d' file.txt<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u589e\u5220\u6539\u67e5\uff1ased \u56db\u5927\u6838\u5fc3\u64cd\u4f5c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5220\u9664\uff08d\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5220\u9664\u7a7a\u884c\nsed '\/^$\/d' file.txt\n\n# \u5220\u9664\u6ce8\u91ca\u884c\uff08\u4ee5#\u5f00\u5934\uff09\nsed '\/^#\/d' file.txt\n\n# \u5220\u9664\u7b2c2\u884c\u5230\u6700\u540e\u4e00\u884c\nsed '2,$d' file.txt\n\n# \u5220\u9664\u6700\u540e\u4e00\u884c\nsed '$d' file.txt\n\n# \u5220\u9664\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u4e32\u7684\u884c\nsed '\/delete_this\/d' file.txt\n\n# \u5220\u9664\u5947\u6570\u884c\nsed '1~2d' file.txt  # 1,3,5...\u884c<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u66ff\u6362\uff08s\/\/\/\uff09<\/h3>\n\n\n\n<p>\u8fd9\u662f sed \u6700\u5e38\u7528\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u57fa\u672c\u66ff\u6362\uff1a\u5c06\u7b2c\u4e00\u4e2aapple\u66ff\u6362\u4e3aorange\nsed 's\/apple\/orange\/' file.txt\n\n# \u5168\u5c40\u66ff\u6362\uff08\u6240\u6709\u5339\u914d\uff09\nsed 's\/apple\/orange\/g' file.txt\n\n# \u53ea\u66ff\u6362\u7b2c2\u4e2a\u5339\u914d\nsed 's\/apple\/orange\/2' file.txt\n\n# \u66ff\u6362\u7b2c3\u884c\u5230\u7b2c5\u884c\u7684\u5185\u5bb9\nsed '3,5 s\/apple\/orange\/g' file.txt\n\n# \u4f7f\u7528\u5176\u4ed6\u5206\u9694\u7b26\uff08\u5f53\u8def\u5f84\u5305\u542b\/\u65f6\uff09\nsed 's|\/usr\/bin|\/usr\/local\/bin|g' file.txt\nsed 's#\/usr\/bin#\/usr\/local\/bin#g' file.txt\n\n# \u5ffd\u7565\u5927\u5c0f\u5199\nsed 's\/apple\/orange\/gi' file.txt\n\n# \u66ff\u6362\u5e76\u6253\u5370\u4fee\u6539\u7684\u884c\nsed -n 's\/apple\/orange\/gp' file.txt<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u9ad8\u7ea7\u66ff\u6362\uff1a\u4f7f\u7528\u5206\u7ec4<\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u4ea4\u6362\u524d\u4e24\u4e2a\u5355\u8bcd\necho \"John Doe\" | sed 's\/\\([^ ]*\\) \\(.*\\)\/\\2 \\1\/'\n# \u8f93\u51fa: Doe John\n\n# \u63d0\u53d6IP\u5730\u5740\necho \"IP: 192.168.1.1\" | sed 's\/.*: \\([0-9.]*\\)\/\\1\/'\n# \u8f93\u51fa: 192.168.1.1\n\n# \u6dfb\u52a0HTML\u6807\u7b7e\nsed 's\/.*\/&lt;p&gt;&amp;&lt;\\\/p&gt;\/' file.txt  # &amp;\u4ee3\u8868\u5339\u914d\u7684\u6574\u4e2a\u5185\u5bb9<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u6253\u5370\uff08p\uff09\u4e0e\u9759\u9ed8\u6a21\u5f0f\uff08-n\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u6253\u5370\u7b2c5\u884c\nsed -n '5p' file.txt\n\n# \u6253\u5370\u5339\u914d\u7684\u884c\nsed -n '\/error\/p' file.txt\n\n# \u6253\u5370\u7b2c10\u884c\u5230\u7b2c20\u884c\nsed -n '10,20p' file.txt\n\n# \u6253\u5370\u884c\u53f7\nsed -n '=; p' file.txt  # \u5148\u6253\u5370\u884c\u53f7\uff0c\u518d\u6253\u5370\u5185\u5bb9\n\n# \u6253\u5370\u5339\u914d\u884c\u7684\u884c\u53f7\u548c\u5185\u5bb9\nsed -n '\/error\/{=;p}' file.txt<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u63d2\u5165\u3001\u8ffd\u52a0\u3001\u4fee\u6539<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># i: \u5728\u5339\u914d\u884c\u4e4b\u524d\u63d2\u5165\nsed '\/pattern\/i\\\u8fd9\u662f\u63d2\u5165\u7684\u65b0\u884c' file.txt\n\n# a: \u5728\u5339\u914d\u884c\u4e4b\u540e\u8ffd\u52a0\nsed '\/pattern\/a\\\u8fd9\u662f\u8ffd\u52a0\u7684\u65b0\u884c' file.txt\n\n# c: \u66ff\u6362\u6574\u884c\nsed '\/pattern\/c\\\u8fd9\u884c\u88ab\u66ff\u6362\u4e86' file.txt\n\n# \u5728\u7b2c3\u884c\u524d\u63d2\u5165\nsed '3i\\\u63d2\u5165\u7684\u5185\u5bb9' file.txt\n\n# \u5728\u7b2c3\u884c\u540e\u8ffd\u52a0\nsed '3a\\\u8ffd\u52a0\u7684\u5185\u5bb9' file.txt<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u5b9e\u6218\u6848\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b1\uff1a\u6279\u91cf\u4fee\u6539\u914d\u7f6e\u6587\u4ef6<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5c06nginx\u914d\u7f6e\u4e2d\u7684\u7aef\u53e3\u4ece8080\u6539\u4e3a80\nsed -i 's\/listen 8080;\/listen 80;\/g' \/etc\/nginx\/sites-available\/default\n\n# \u6ce8\u91ca\u6389\u5305\u542b\u7279\u5b9a\u914d\u7f6e\u7684\u884c\nsed -i '\/^sendfile on;\/s\/^\/#\/' \/etc\/nginx\/nginx.conf<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b2\uff1a\u6e05\u7406\u65e5\u5fd7\u6587\u4ef6<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5220\u9664DEBUG\u7ea7\u522b\u7684\u65e5\u5fd7\nsed -i '\/DEBUG\/d' app.log\n\n# \u53ea\u4fdd\u7559\u6700\u8fd17\u5929\u7684\u65e5\u5fd7\uff08\u5047\u8bbe\u65e5\u5fd7\u683c\u5f0f\u5305\u542b\u65e5\u671f2025-01-01\uff09\nsed -n '\/2025-05-1[6-9]\/,$p' app.log<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b3\uff1aCSV\u6587\u4ef6\u5904\u7406<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u66ff\u6362CSV\u4e2d\u7684\u7a7a\u5b57\u6bb5\u4e3aNULL\nsed -i 's\/,,\/,NULL,\/g' data.csv\nsed -i 's\/,$\/,NULL\/' data.csv\n\n# \u5220\u9664CSV\u8868\u5934\nsed -i '1d' data.csv<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b4\uff1a\u4ee3\u7801\u6279\u91cf\u4fee\u6539<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5c06\u6240\u6709Python print\u6539\u4e3alogging\nsed -i 's\/print(\/logging.info(\/g' *.py\n\n# \u6dfb\u52a0\u7248\u6743\u4fe1\u606f\u5230\u6587\u4ef6\u5f00\u5934\nsed -i '1i\\# Copyright 2025 My Company' *.py<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b5\uff1a\u4eceHTML\u4e2d\u63d0\u53d6\u5185\u5bb9<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u63d0\u53d6\u6240\u6709title\u6807\u7b7e\u5185\u5bb9<br>sed -n 's\/.*&lt;title>\\(.*\\)&lt;\\\/title>.*\/\\1\/p' index.html<br><br># \u5220\u9664\u6240\u6709HTML\u6807\u7b7e<br>sed 's\/&lt;[^>]*>\/\/g' page.html<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b6\uff1a\u7ed9\u914d\u7f6e\u6587\u4ef6\u6bcf\u884c\u6dfb\u52a0\u5f15\u53f7<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u6bcf\u884c\u6dfb\u52a0\u53cc\u5f15\u53f7\nsed 's\/^\/\"\/; s\/$\/\"\/' config.txt\n\n# \u8f93\u51fa\u793a\u4f8b\uff1a\n# \"line1\"\n# \"line2\"<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b7\uff1a\u751f\u6210SQL\u63d2\u5165\u8bed\u53e5<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5c06\u6570\u636e\u6587\u4ef6\u8f6c\u6362\u4e3aSQL\nsed \"s\/^\/INSERT INTO users VALUES ('\/; s\/$\/');\/\" data.txt\n\n# data.txt\u5185\u5bb9\uff1a\n# john,25\n# mary,30\n\n# \u8f93\u51fa\uff1a\n# INSERT INTO users VALUES ('john,25');\n# INSERT INTO users VALUES ('mary,30');<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b8\uff1aMarkdown\u8f6cHTML<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u7ed9\u6bcf\u884c\u6dfb\u52a0HTML\u6bb5\u843d\u6807\u7b7e\nsed 's\/^\/&lt;p&gt;\/; s\/$\/&lt;\\\/p&gt;\/' article.txt<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b9\uff1a\u65e5\u5fd7\u6dfb\u52a0\u65f6\u95f4\u6233<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5728\u6bcf\u884c\u884c\u9996\u6dfb\u52a0\u5f53\u524d\u65f6\u95f4\nsed \"s\/^\/$(date '+%Y-%m-%d %H:%M:%S') \/\" app.log<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b10\uff1aCSV\u8f6cJSON\uff08\u7b80\u5316\u7248\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u7ed9CSV\u6bcf\u884c\u6dfb\u52a0JSON\u683c\u5f0f\nsed 's\/^\/{\"data\": \"\/; s\/$\/\"}\/' data.csv<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u591a\u547d\u4ee4\u7ec4\u5408<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528 <code>-e<\/code> \u9009\u9879<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5220\u9664\u7a7a\u884c\u548c\u6ce8\u91ca\u884c\nsed -e '\/^$\/d' -e '\/^#\/d' file.txt\n\n# \u7b49\u4ef7\u4e8e\nsed '\/^$\/d; \/^#\/d' file.txt<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u5206\u53f7 <code>;<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u66ff\u6362\u591a\u4e2a\u5b57\u7b26\u4e32\nsed 's\/cat\/dog\/g; s\/white\/black\/g' file.txt\n\n# \u5148\u66ff\u6362\u518d\u5220\u9664\u7a7a\u884c\nsed 's\/foo\/bar\/g; \/^$\/d' file.txt<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u82b1\u62ec\u53f7 <code>{}<\/code> \u5bf9\u540c\u4e00\u5730\u5740\u6267\u884c\u591a\u4e2a\u547d\u4ee4<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5bf9\u7b2c10-20\u884c\u6267\u884c\u591a\u4e2a\u64cd\u4f5c\nsed '10,20{\n    s\/foo\/bar\/g\n    s\/abc\/xyz\/g\n    \/^$\/d\n}' file.txt<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001sed \u811a\u672c\u6587\u4ef6<\/h2>\n\n\n\n<p>\u5f53\u547d\u4ee4\u590d\u6742\u65f6\uff0c\u53ef\u4ee5\u5199\u6210\u811a\u672c\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>bash<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u521b\u5efa\u811a\u672c script.sed\ncat &gt; script.sed &lt;&lt; 'EOF'\n#!\/usr\/bin\/sed -f\n# \u5220\u9664\u7a7a\u884c\n\/^$\/d\n# \u66ff\u6362\u5b57\u7b26\u4e32\ns\/old\/new\/g\n# \u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u7ed3\u675f\u6807\u8bb0\n$a\\# End of file\nEOF\n\n# \u6267\u884c\u811a\u672c\nsed -f script.sed input.txt &gt; output.txt<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u5e38\u89c1\u9677\u9631\u4e0e\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. <code>-i<\/code> \u9009\u9879\u7684\u98ce\u9669<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5371\u9669\uff1a\u76f4\u63a5\u4fee\u6539\u539f\u6587\u4ef6\u4e14\u65e0\u6cd5\u6062\u590d\nsed -i 's\/old\/new\/g' important.conf\n\n# \u5b89\u5168\u505a\u6cd5\uff1a\u5148\u5907\u4efd\nsed -i.bak 's\/old\/new\/g' important.conf\n\n# \u9884\u89c8\u4fee\u6539\uff08\u4e0d\u5b9e\u9645\u4fee\u6539\uff09\nsed 's\/old\/new\/g' important.conf | less<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7279\u6b8a\u5b57\u7b26\u9700\u8981\u8f6c\u4e49<\/h3>\n\n\n\n<p>\u9700\u8981\u8f6c\u4e49\u7684\u5b57\u7b26\uff1a<code>.<\/code> <code>*<\/code> <code>[<\/code> <code>^<\/code> <code>$<\/code> <code>\\<\/code> <code>\/<\/code> <code>(<\/code> <code>)<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u9519\u8bef\uff1a. \u88ab\u89e3\u91ca\u4e3a\u6b63\u5219\necho \"192.168.1.1\" | sed 's\/192.168.1.1\/IP\/g'  # \u4e0d\u5de5\u4f5c\n\n# \u6b63\u786e\uff1a\u8f6c\u4e49\u70b9\u53f7\necho \"192.168.1.1\" | sed 's\/192\\.168\\.1\\.1\/IP\/g'\n\n# \u6216\u8005\u4f7f\u7528\u5176\u4ed6\u5206\u9694\u7b26\u907f\u514d\u8f6c\u4e49\/\necho \"\/usr\/local\/bin\" | sed 's|\/usr\/local\/bin|\/opt\/bin|'<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516b\u3001sed \u4e0e\u5176\u4ed6\u547d\u4ee4\u7684\u914d\u5408<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0e grep \u914d\u5408<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5148\u8fc7\u6ee4\u518d\u7f16\u8f91\ngrep 'ERROR' app.log | sed 's\/ERROR\/WARNING\/g'\n\n# \u7b49\u4ef7\u4e8e\nsed -n '\/ERROR\/s\/ERROR\/WARNING\/p' app.log<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0e awk \u914d\u5408<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># awk\u5904\u7406\u5217\uff0csed\u5904\u7406\u683c\u5f0f\nawk '{print $1, $3}' data.txt | sed 's\/^\/Record: \/'<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0e\u7ba1\u9053\u7ec4\u5408<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5b9e\u65f6\u76d1\u63a7\u65e5\u5fd7\u5e76\u8131\u654f\ntail -f app.log | sed 's\/[0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\}\/DATE\/g'\n\n# \u683c\u5f0f\u5316\u547d\u4ee4\u8f93\u51fa\nps aux | sed -n '2,$p' | sed 's\/\\([^ ]*\\).*\/\\1\/'  # \u63d0\u53d6\u7b2c\u4e00\u5217<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e5d\u3001\u5feb\u901f\u53c2\u8003\u5361<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u64cd\u4f5c<\/th><th>\u547d\u4ee4\u793a\u4f8b<\/th><\/tr><\/thead><tbody><tr><td>\u5220\u9664\u7a7a\u884c<\/td><td><code>sed '\/^$\/d'<\/code><\/td><\/tr><tr><td>\u5220\u9664\u7b2c5\u884c<\/td><td><code>sed '5d'<\/code><\/td><\/tr><tr><td>\u5220\u96645-10\u884c<\/td><td><code>sed '5,10d'<\/code><\/td><\/tr><tr><td>\u5220\u9664\u5305\u542bpattern\u7684\u884c<\/td><td><code>sed '\/pattern\/d'<\/code><\/td><\/tr><tr><td>\u5168\u5c40\u66ff\u6362<\/td><td><code>sed 's\/old\/new\/g'<\/code><\/td><\/tr><tr><td>\u53ea\u66ff\u6362\u7b2c2\u4e2a\u5339\u914d<\/td><td><code>sed 's\/old\/new\/2'<\/code><\/td><\/tr><tr><td>\u6253\u5370\u7b2c5\u884c<\/td><td><code>sed -n '5p'<\/code><\/td><\/tr><tr><td>\u6253\u5370\u5339\u914d\u884c<\/td><td><code>sed -n '\/pattern\/p'<\/code><\/td><\/tr><tr><td>\u5728\u7b2c3\u884c\u524d\u63d2\u5165<\/td><td><code>sed '3i\\\u65b0\u884c'<\/code><\/td><\/tr><tr><td>\u5728\u7b2c3\u884c\u540e\u8ffd\u52a0<\/td><td><code>sed '3a\\\u65b0\u884c'<\/code><\/td><\/tr><tr><td>\u66ff\u6362\u6574\u884c<\/td><td><code>sed '\/pattern\/c\\\u65b0\u5185\u5bb9'<\/code><\/td><\/tr><tr><td>\u591a\u91cd\u547d\u4ee4<\/td><td><code>sed -e 'cmd1' -e 'cmd2'<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5341\u3001\u8fdb\u9636\u5b66\u4e60\u8d44\u6e90<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong>\uff1ased \u7684\u7075\u9b42\uff0c\u5efa\u8bae\u6df1\u5165\u5b66\u4e60<\/li>\n\n\n\n<li><strong>sed one-liners<\/strong>\uff1a\u7f51\u4e0a\u6709\u5f88\u591a\u7ecf\u5178\u7684\u5355\u884c\u811a\u672c<\/li>\n\n\n\n<li><strong>info sed<\/strong>\uff1a\u5b8c\u6574\u7684 sed \u5b98\u65b9\u6587\u6863<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bed<\/h2>\n\n\n\n<p>sed \u662f\u6bcf\u4e2a Linux \u7528\u6237\u90fd\u5e94\u8be5\u638c\u63e1\u7684\u5de5\u5177\u3002\u867d\u7136\u5b83\u7684\u8bed\u6cd5\u770b\u8d77\u6765\u6709\u4e9b\u6666\u6da9\uff0c\u4f46\u6838\u5fc3\u5c31\u662f <strong>&#8220;\u627e\u4f4d\u7f6e\uff0c\u505a\u64cd\u4f5c&#8221;<\/strong>\u3002\u5efa\u8bae\u4f60\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u5148\u5728\u6d4b\u8bd5\u6587\u4ef6\u4e0a\u7ec3\u4e60<\/li>\n\n\n\n<li>\u591a\u7528 <code>-n<\/code> \u548c <code>p<\/code> \u9884\u89c8\u7ed3\u679c<\/li>\n\n\n\n<li>\u91cd\u8981\u64cd\u4f5c\u524d\u5148\u7528 <code>-i.bak<\/code> \u5907\u4efd<\/li>\n<\/ol>\n\n\n\n<p>\u638c\u63e1 sed \u540e\uff0c\u4f60\u4f1a\u53d1\u73b0\u6587\u672c\u5904\u7406\u6548\u7387\u63d0\u5347 10 \u500d\u4ee5\u4e0a\u3002\u52a8\u624b\u8bd5\u8bd5\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u5728\u65e5\u5e38\u7684 Linux \u8fd0\u7ef4\u548c\u5f00\u53d1\u5de5\u4f5c\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u5bf9\u6587\u672c\u6587\u4ef6\u8fdb\u884c\u6279\u91cf\u7f16\u8f91\u3001\u66ff\u6362\u3001\u5220\u9664\u7b49\u64cd\u4f5c\u3002\u867d\u7136\u53ef\u4ee5\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":450,"comment_status":"open","ping_status":"open","sticky":false,"template":"wp-custom-template-my","format":"standard","meta":{"footnotes":""},"categories":[135,131,157],"tags":[237,723,144],"class_list":["post-2639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-131","category-shell","tag-linux","tag-sed","tag-144"],"_links":{"self":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/2639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2639"}],"version-history":[{"count":1,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/2639\/revisions"}],"predecessor-version":[{"id":2640,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/2639\/revisions\/2640"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/media\/450"}],"wp:attachment":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}