Linux 删除文本文件中出现的字符串
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Remove occurrences of string in text file
提问by James
How would you remove a specific string from a text file (command line) e.g.
您将如何从文本文件（命令行）中删除特定字符串，例如
hello
goodbye
goodbye
hello
hello
hello
goodbye
In this case I would like to remove all occurrences of "goodbye"
在这种情况下，我想删除所有出现的“再见”
Either linux or Windows, (as longs as the linux command is available in GNU)
linux 或 Windows，（只要 linux 命令在 GNU 中可用）
采纳答案by linuts
sed -i -e 's/goodbye//g' filename
To delete multiple words:
删除多个单词：
sed -i -e 's/\(goodbye\|hello\|test\|download\)//g' filename
回答by Vishwas Shenoy Alevoor
If you are looking for Linux file through Vi mode. Please find below solution which helped me out
如果您正在通过 Vi 模式查找 Linux 文件。请找到以下对我有帮助的解决方案
:g/goodbye/d - This will delete all goodbye's
:g/goodbye/d - 这将删除所有再见的
:%g!/goodbye/d - This will delete all except goodbye's
:%g!/goodbye/d - 这将删除除再见之外的所有内容
