1.声明数组

declare -a myarray

在函数中还可以用local 来声明数组

local -a myarray

2.给数组赋值。

2.1.对于shell能返回多个值的，可以直接赋值，比如

myarray=`ls *.bin 2>/dev/null`

这条语句把当前目录下所有的.bin文件赋值给myarray

2.2.也可以从让用户输入

 read -a myarray

2.3.用索引值来访问

${array[0]}='test'

2.4.也可以用下面的方法往数组里追加值

myarray=(${myarray[*] test);

3.打印数组所有的值

echo ${myarrra[*]};

或

echo ${myarrra[@]};

4.逐一读出数组的值

for item in ${myarray[*]};

do

echo $item;

done;

5.清空数组

uset ${myarray}

或

myarray=

6、向数组追加元素的方法与数组复制非常类似。最简单的追加到数组的方法是将数组复制语句进行扩展。
 
$ hobbies=( "${activities[@]" diving }
 $ for hobby in "${hobbies[@]}"
> do
>   echo "Hobby: $hobby"
> done
Hobby: swimming
Hobby: water skiing
Hobby: canoeing
Hobby: white-water rafting
Hobby: surfing
Hobby: scuba diving
Hobby: diving
$
 
本章开头介绍了如何使用seq 0 $((${#beatles[@]}–1))获取数组的最后一个实际元素。但数组从0开始索引这一事实使得这一任务变得有些棘手。在向数组追加单个元素时，数组从0开始索引实际上使得追加操作更容易。
$ hobbies[${#hobbies[@]}]=rowing
$ for hobby in "${hobbies[@]}"
> do
>   echo "Hobby: $hobby"
> done
Hobby: swimming
Hobby: water skiing
Hobby: canoeing
Hobby: white-water rafting
Hobby: surfing
Hobby: scuba diving
Hobby: diving
Hobby: rowing
$
bash shell确实有组合两个数组的内置语法。这种使用C风格符号+=的方法更简洁，而且写出的代码更清晰。
$ airsports=( flying gliding parachuting )
$ activities+=("${airsports[@]}")
$ for act in "${activities[@]}"
> do
>   echo "Activity: $act"
> done
Activity: swimming
Activity: water skiing
Activity: canoeing
Activity: white-water rafting
Activity: surfing
Activity: scuba diving
Activity: climbing
Activity: walking
Activity: cycling
Activity: flying
Activity: gliding
Activity: parachuting
$ 

7、数组的遍历用到一个取全部：

，完整示例如下：

转自：http://book.2cto.com/201209/3572.html

http://blog.csdn.net/learnrose/article/details/6254249

http://www.linuxidc.com/Linux/2011-09/42929.htm