shell-for循环

sheel语言for循环格式

for var in item1 item2 ... itemN

do

    command1

    command2

    ...

    commandN

done

案例1

#!/bin/bash

for v in 1 2 3 4 5

do

    echo "The value is: $v"

done

输出

The value is: 1

The value is: 2

The value is: 3

The value is: 4

The value is: 5

案例2，与数组配合

#!/bin/bash

datatime=(1 2 3 4 5)

echo ${datatime[0]}

for v in ${datatime[@]}

do

    echo "The value is: $v"

done

巴特西