Shell数组遍历

#!/bin/bash

emp_info=(
aaa  aaa@qq.com
bbb  bbb@qq.com
ccc  ccc@qq.com
ddd  ddd@qq.com
eee  eee@qq.com
)

for i in ${!emp_info[@]}
do
    if [ `expr $i % ` = "" ] # get mail addr
    then
        name=${emp_info[`expr $i - `]}
        mailaddr=${emp_info[$i]}
        mobile=${emp_info[`expr $i - `]}
        echo $name $mobile $mailaddr
    fi
done