bash sed 命令在 Windows 10 上不起作用
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sed command is not working on windows 10
提问by VijayVishnu
I tried to run the below command in my windows 10 machine. Here, new text file contains some text like this 'how are you?'. I want to replace the string 'how'->'where' in that same file without creating a new file. But It shows error. Any comments to resolve it?
我试图在我的 Windows 10 机器上运行以下命令。在这里，新的文本文件包含一些类似“你好吗？”的文本。我想在不创建新文件的情况下替换同一个文件中的字符串 'how'->'where'。但它显示错误。有什么意见可以解决吗？
sed -i s/how/where/ new.txt
sed: invalid option -- i
sed: 无效选项——我
采纳答案by Tim
Your version of sed (GNU sed version 3.02), does not support the -ioption. You can either update to a more recent version of sed (version 4.2.1 is available here), or work around the issue by redirecting to a temporary file and then copying it to the source file:
您的 sed ( GNU sed version 3.02)版本不支持该-i选项。您可以更新到更新版本的 sed（此处提供 4.2.1 版），或者通过重定向到临时文件然后将其复制到源文件来解决此问题：
C:\>cat.exe foo.txt
foo
how
bar
baz
foo how bar
C:\>sed.exe s/how/where/ foo.txt > foo2.txt
C:\>move /Y foo2.txt foo.txt
1 file(s) moved.
C:\>cat.exe foo.txt
foo
where
bar
baz
foo where bar
