sed查找并删除单个单词 [英] Sed find and delete single word

问题描述

我想从 .htaccess 文件中删除用户名.

I would like to remove a username from a .htaccess file.

示例 .htaccess :

RewriteEngine On
RewriteBase /~usern/
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /~usern/index.php [L]

我想给我们一种动态命令，因为我不必每次都为每个用户手动键入/〜username .

I want to us a sort of dynamic command in that I don't have to manually type /~username every time for each user.

我尝试过

sed 's/$whoami##g' .htaccess

但这无法达到预期的效果.

but this does not achieve the desired result.

推荐答案

您可以 sed -i"s/$(whoami)//g" .htaccess

如果只想删除一行中的第一个条目，请删除最后一个 g 选项.

If you only want to remove the first entry on a line, remove the last g option.

sed -i(内联sed，直接在文件上执行操作)"s/find_this/replace_with_this/"(搜索并替换)

如果要搜索〜/username并将其删除，而不仅仅是用户名条目，只需将表达式更改为:

If you want to search for ~/username and remove that instead of only username entries, just change the expression to:

sed -i"s/〜\/$(whoami)//g" .htaccess

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