shell/结构化命令/使用嵌套循环并修改IFS.sh

#!/bin/bash

#changing the IFS value

IFS.OLD=$IFS
IFS=$'\n'
for entry in `cat /etc/passwd`
do	
	echo "Values in $entry -"
	IFS=:
	for value in $entry
	do
		echo " $value"
	done
done