Shell脚本中实现循环的方式

shell脚本中实现循环的方式

#!/bin/bash
#the way of  circulation in  shell
#1.the c-style for circulation in linux
#for((i = 1;i < 10;i++))
#do
#echo the current i is:$i
#done

#the way 2 to do circulation
i=1
while [ $i -le 10 ]
do
echo the current i is :$i
let i++
#let i=$i+1
#let i=i+1
#i=$[ $i + 1 ]
done

#!/bin/bash
#using the until command
var1=1
until [ $var1 -eq 10 ]
do
echo $var1
let var1++
done