shell数组

创建静态数组

[root@VM-16-13-centos learn]# array=(1 2 3)

创建动态数组

[root@VM-16-13-centos learn]# array=(`ls`)

 

查看数组

[root@VM-16-13-centos learn]# echo ${array[*]}

查看数组长度

[root@VM-16-13-centos learn]# echo ${#array[*]}

查看数组的第一个值

[root@VM-16-13-centos learn]# echo ${array[0]}

 

数组追加

[root@VM-16-13-centos learn]# array[3]=4

 

数组删除

[root@VM-16-13-centos learn]# unset array[3]

 

数组截取

[root@VM-16-13-centos learn]# echo ${array[*]:1:2}

 

创建动态数组

[root@VM-16-13-centos learn]# array=(`ls`)

查看数组

[root@VM-16-13-centos learn]# echo ${array[*]}

 

 

for循环打印数组

[root@VM-16-13-centos learn]# cat arr.sh

arr=(

`ls`

)

for i in ${arr[*]}

do

echo $i

done