流程控制-until语句

until expression   [ 1 -eq 1 ]  (( 1 >= 1 ))
	do
		command
		command
		...
	done

#!/bin/bash
# 
#Author: www.zutuanxue.com
#Created Time: 
#Release: 
#Description: 数字接龙

i=1
while [ $i -le 5 ]
do
	echo $i
	let i++
	until [ $i -le 5 ]
		do
		    echo $i
	            let i++
	            [ $i -eq 10 ]&&break
	done
done