Shell 数组与关联数组详解及实例代码

2.2 列出数组索引

每一个数组都有一个索引用于查找。使用${!数组名[@或者*]}获取数组的索引列表

xiaosi@Qunar:~$ echo ${!assArray[*]}
lily yoona sunny lucy
xiaosi@Qunar:~$ echo ${!assArray[@]}
lily yoona sunny lucy

2.3 获取所有键值对

#! /bin/bash
declare -A cityArray
cityArray=([yoona]=beijing [lucy]=shanghai [lily]=shandong)
for key in ${!cityArray[*]}
do
 echo "${key} come from ${cityArray[$key]}"
done

结果：

xiaosi@Qunar:~/company/sh$ bash array.sh 
lily come from shandong
yoona come from beijing
lucy come from shanghai

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