{"id":18427,"date":"2024-11-18T14:07:07","date_gmt":"2024-11-18T06:07:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/18427\/"},"modified":"2024-11-18T14:07:07","modified_gmt":"2024-11-18T06:07:07","slug":"linux%e5%a6%82%e4%bd%95%e5%88%a0%e9%99%a4%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/18427\/","title":{"rendered":"linux\u5982\u4f55\u5220\u9664\u5b57\u7b26\u4e32"},"content":{"rendered":"<blockquote><p>\n  \u5728 linux \u4e2d\u53ef\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5220\u9664\u5b57\u7b26\u4e32\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\u548c\u4f7f\u7528\u7684\u547d\u4ee4\u6216\u5de5\u5177\uff1a\u4f7f\u7528 sed \u547d\u4ee4\uff1ased &#8216;s\/\/ \/g&#8217; filename\u4f7f\u7528 awk \u547d\u4ee4\uff1aawk &#8216;begin { sub(&#8220;&#8221;, &#8220;&#8221;, $0) } { print }&#8217; filename\u4f7f\u7528 tr \u547d\u4ee4\uff1atr -d &#8221; <\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202409\/13\/2024091318484631653.jpg\" class=\"aligncenter\" title=\"linux\u5982\u4f55\u5220\u9664\u5b57\u7b26\u4e32\u63d2\u56fe\" alt=\"linux\u5982\u4f55\u5220\u9664\u5b57\u7b26\u4e32\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Linux \u4e2d\u5220\u9664\u5b57\u7b26\u4e32<\/strong><\/p>\n<p>\u5728 Linux \u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u5220\u9664\u5b57\u7b26\u4e32\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684\u547d\u4ee4\u548c\u5de5\u5177\u3002<\/p>\n<p><strong>1. \u4f7f\u7528 Sed \u547d\u4ee4<\/strong><\/p>\n<p>Sed \u547d\u4ee4\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6587\u672c\u7f16\u8f91\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u641c\u7d22\u3001\u66ff\u6362\u548c\u5220\u9664\u6587\u672c\u3002\u8981\u4f7f\u7528 Sed \u5220\u9664\u5b57\u7b26\u4e32\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>sed 's\/&lt;STRING&gt;\/ \/g' filename<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li> \u8981\u5220\u9664\u7684\u5b57\u7b26\u4e32 <\/li>\n<li>\/g \u5168\u5c40\u6807\u5fd7\uff0c\u66ff\u6362\u6240\u6709\u5339\u914d\u9879<\/li>\n<li>filename \u8981\u7f16\u8f91\u7684\u6587\u4ef6<\/li>\n<\/ul>\n<p><strong>2. \u4f7f\u7528 Awk \u547d\u4ee4<\/strong><\/p>\n<p>Awk \u547d\u4ee4\u662f\u4e00\u4e2a\u7528\u4e8e\u5904\u7406\u6587\u672c\u6570\u636e\u7684\u6a21\u5f0f\u626b\u63cf\u548c\u5904\u7406\u8bed\u8a00\u3002\u8981\u4f7f\u7528 Awk \u5220\u9664\u5b57\u7b26\u4e32\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>awk 'BEGIN { sub(\"&lt;STRING&gt;\", \"\", $0) } { print }' filename<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li> \u8981\u5220\u9664\u7684\u5b57\u7b26\u4e32 <\/li>\n<li>sub() \u51fd\u6570\u7528\u4e8e\u66ff\u6362\u5339\u914d\u9879<\/li>\n<li>$0 \u8868\u793a\u5f53\u524d\u884c<\/li>\n<li>print \u547d\u4ee4\u8f93\u51fa\u7f16\u8f91\u540e\u7684\u6587\u672c<\/li>\n<\/ul>\n<p><strong>3. \u4f7f\u7528 Tr \u547d\u4ee4<\/strong><\/p>\n<p>Tr \u547d\u4ee4\u7528\u4e8e\u7ffb\u8bd1\u6216\u5220\u9664\u5b57\u7b26\u3002\u8981\u4f7f\u7528 Tr \u5220\u9664\u5b57\u7b26\u4e32\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>tr -d '&lt;STRING&gt;' &lt; filename<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>-d \u9009\u9879\u7528\u4e8e\u5220\u9664\u5b57\u7b26<\/li>\n<li> \u8981\u5220\u9664\u7684\u5b57\u7b26\u4e32 <\/li>\n<li> <\/li>\n<li>&gt; \u8868\u793a\u8f93\u51fa\u6587\u4ef6<\/li>\n<\/ul>\n<p><strong>4. \u4f7f\u7528 Bash Shell<\/strong><\/p>\n<p>\u5728 Bash Shell \u4e2d\uff0c\u53ef\u4ee5\u5229\u7528\u5185\u7f6e\u7684\u5b57\u7b26\u4e32\u66ff\u6362\u529f\u80fd\u5220\u9664\u5b57\u7b26\u4e32\u3002\u8981\u4f7f\u7528 Bash Shell \u5220\u9664\u5b57\u7b26\u4e32\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>echo \"Hello World\" | sed 's\/World\/\/'<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>echo \u547d\u4ee4\u8f93\u51fa\u6587\u672c<\/li>\n<li>| \u7b26\u53f7\u5c06\u8f93\u51fa\u7ba1\u9053\u5230 Sed \u547d\u4ee4<\/li>\n<li>s\/World\/ \/\/ \u7528\u4e8e\u66ff\u6362\u5339\u914d\u9879<\/li>\n<\/ul>\n<p><strong>5. \u4f7f\u7528 Grep \u547d\u4ee4<\/strong><\/p>\n<p>Grep \u547d\u4ee4\u7528\u4e8e\u641c\u7d22\u6587\u672c\u6570\u636e\u3002\u8981\u4f7f\u7528 Grep \u5220\u9664\u5b57\u7b26\u4e32\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>grep -v '&lt;STRING&gt;' filename<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>-v \u9009\u9879\u7528\u4e8e\u53cd\u5411\u5339\u914d\uff0c\u5373\u4e0d\u5305\u542b\u5339\u914d\u9879\u7684\u884c<\/li>\n<li> \u8981\u5220\u9664\u7684\u5b57\u7b26\u4e32 <\/li>\n<li>filename \u8981\u641c\u7d22\u7684\u6587\u4ef6<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u65b9\u6cd5\u63d0\u4f9b\u4e86\u5728 Linux \u4e2d\u5220\u9664\u5b57\u7b26\u4e32\u7684\u4e0d\u540c\u9009\u9879\u3002\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\u548c\u4f7f\u7528\u7684\u547d\u4ee4\u6216\u5de5\u5177\u3002<\/p>\n<\/blockquote>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5220\u9664\u5b57\u7b26\u4e32\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 linux \u4e2d\u53ef\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5220\u9664\u5b57\u7b26\u4e32\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\u548c\u4f7f\u7528\u7684\u547d\u4ee4\u6216\u5de5\u5177\uff1a\u4f7f\u7528 sed \u547d\u4ee4\uff1ased &#8216;s\/\/ \/g&#8217; filename\u4f7f\u7528 awk \u547d\u4ee4\uff1aawk &#8216;begin { sub(&#8220;&#8221;, &#8220;&#8221;, $0) } { print }&#8217; filename\u4f7f\u7528 tr \u547d\u4ee4\uff1atr -d &#8221; \u5982\u4f55\u5728 Linux \u4e2d\u5220\u9664\u5b57\u7b26\u4e32 \u5728 Linux \u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u5220\u9664\u5b57\u7b26\u4e32\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684\u547d\u4ee4\u548c\u5de5\u5177\u3002 1. \u4f7f\u7528 Sed \u547d\u4ee4 Sed \u547d\u4ee4\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6587\u672c\u7f16\u8f91\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u641c\u7d22\u3001\u66ff\u6362\u548c\u5220\u9664\u6587\u672c\u3002\u8981\u4f7f\u7528 Sed \u5220\u9664\u5b57\u7b26\u4e32\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a sed &#8216;s\/&lt;STRING&gt;\/ \/g&#8217; filename \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u8981\u5220\u9664\u7684\u5b57\u7b26\u4e32 \/g \u5168\u5c40\u6807\u5fd7\uff0c\u66ff\u6362\u6240\u6709\u5339\u914d\u9879 filename \u8981\u7f16\u8f91\u7684\u6587\u4ef6 2. \u4f7f\u7528 Awk \u547d\u4ee4 Awk \u547d\u4ee4\u662f\u4e00\u4e2a\u7528\u4e8e\u5904\u7406\u6587\u672c\u6570\u636e\u7684\u6a21\u5f0f\u626b\u63cf\u548c\u5904\u7406\u8bed\u8a00\u3002\u8981\u4f7f\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-18427","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/18427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=18427"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/18427\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=18427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=18427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=18427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}