$ cat gres
if [ $# -lt "3" ]
then
echo Usage: gres pattern replacement file
exit 1
fi
pattern=$1
replacement=$2
if [ -f $3 ]
then
file=$3
else
echo $3 is not a file.
exit 1
fi
A="`echo | tr '\012' '\001' `"
sed -e "s$A$pattern$A$replacement$A" $file
请问红色那行有什么作用?
[求助]关于'\012' '\001'
-
- 帖子: 16
- 注册时间: 2006-01-06 11:35
-
- 帖子: 119
- 注册时间: 2007-04-09 12:19