Linux 使用sed在每行的开头插入文本
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Using sed to insert text at the beginning of each line
提问by THE DOCTOR
How would one go about using sed in order to insert
如何使用 sed 来插入
rm -rf
at the start of each line of a file?
在文件每一行的开头？
采纳答案by mikerobi
sed 's/^/rm -rf /' filename
EDIT
编辑
Xargs would be simpler way to delete all of the files listed in another file
Xargs 是删除另一个文件中列出的所有文件的更简单的方法
xargs -a filename rm -rf
回答by Matt Sonnentag
Sometimes you have to go with the original method using sed, especially when you want to do things like
有时您必须使用 sed 使用原始方法，尤其是当您想要执行以下操作时
csf -d ipaddr.
xargsdoesn't seem to like the output created by some commands and gives up after the first line. ie:
xargs似乎不喜欢某些命令创建的输出并在第一行之后放弃。IE：
sed 's/^/csf -d /' hacks >>hacks.sh
