$IFS用法

[root@station shell]# cat 7.sh
#!/bin/bash
var="'(]\\{}\$\""
echo $var
echo "$var"
echo
IFS='\'
echo $var
echo "$var"
exit 0

 [root@station shell]# ./7.sh
'(]\{}$"
'(]\{}$"
'(] {}$"
'(]\{}$"