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doc: Update sed.md (#589)

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FunKeen 2024-07-10 11:02:58 +08:00 committed by GitHub
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command/sed.md
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@ -172,9 +172,10 @@ sed '2,$d' file
sed '$d' file sed '$d' file
``` ```
删除文件中所有开头是test的行： 删除文件中所有开头是test的行(d写外边效果一样)：
```shell ```shell
sed '/^test/d' file
sed '/^test/'d file sed '/^test/'d file
``` ```