######################################################################### # File Name: hello.sh # Author: lukey # mail: lukey123@foxmail.com # Created Time: Thu 25 Aug 2016 01:56:03 PM CST ######################################################################### #!/bin/bash case="hello,world,both,byebye ohoh" cat -etv <<<"$IFS" echo "case:$case" IFS=, cat -etv <<<"$IFS" echo $IFS arr=($case) #echo ${arr} for s in ${arr[@]};do echo "worrrd:$s" done for s in $case; do echo "word:$s" done