删除包含两个字符串的行 [英] Delete lines that contain two strings

问题描述

我正在尝试使用 sed 删除文本文件中的某些行.我只想删除包含两个字符串的行.命令 \ | 等效于布尔值 OR .布尔运算符 AND 的命令是什么?

I am trying to delete some lines in a text file using sed. I only want to delete lines that contains two strings. The command \| is equivalent to the boolean OR. What is the command for the boolean operator AND?

我正在寻找这样的东西:

I am looking for something like this:

sed '/strA'AND'strB/d' file.txt

推荐答案

这可能对您有用(GNU sed):

This might work for you (GNU sed):

sed '/strA/!b;/strB/d' file

如果该行不包含 strA 纾困.如果包含并且还包含 strB ，请将其删除.

If the line does not contain strA bail out. If it does and it also contains strB delete it.

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