http://bbs.csdn.net/topics/391879580

[zhongyunde@linux-hcc3 ~/6183_hcc]$vi dd.txt

ddd
#begin dd
here is need to be repalce content！
#end

ddd

[zhongyunde@linux-hcc3 ~/6183_hcc]$sed -i '/^#begin dd/,/#end$/d ' dd.txt 
[zhongyunde@linux-hcc3 ~/6183_hcc]$cat dd.txt 
ddd

ddd

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

参考连接：http://blog.csdn.net/lizhi200404520/article/details/7968483

shell 删除符号“/”及其之前的所有内容

sed -i -r 's/.*\///' wzz