shell 脚本替换文件中某个字符串

1、将当前目录下包含jack串的文件中,jack字符串替换为tom
sed -i "s/jack/tom/g" `grep "jack" -rl ./`

2、将某个文件中的jack字符串替换为tom

sed -i "s/jack/tom/g" test.txt

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转载自angie.iteye.com/blog/2352874