shell数组

group='www_ wwwhuidu_'
    echo "*********************"
for i in $group
do
    echo "*       $a,$i组"
    list2[$a]=$i
    a=`expr $a + 1`    
done
    echo "*       $a,其他"
    echo "*********************"
i=0
read -p "请输入编号: " number
if [ "$number" == "" ];then
    ip
fi
}

function ip() {
while true
do
menu
if [ "$number" == "$a" ];then
    group2=`echo $group | sed 's/ /|^/g'`
    for ip in `awk -F',' '{print $2"---"$7"---"$8}' ip.csv| sed 's/"//g' | sort | egrep -v "$group2"`
    do 
            ip_list=`echo $ip | awk -F'---' '{print $2}'`
            list[$i]=$ip_list
            echo "($i)      $ip"
            i=`expr $i + 1`
    done
    echo "($i)    回上一级"
else
    for ip in  `awk -F',' '{print $2"---"$7"---"$8}' ip.csv| sed 's/"//g' | sort | grep ${list2[$number]}`
    do
        ip_list=`echo $ip | awk -F'---' '{print $2}'`
               list[$i]=$ip_list
            echo "($i)      $ip"
            i=`expr $i + 1`
    done
    echo "($i)      回上一级"
fi
read -p "输入编号: " number
if [ "$number" == "$i" ] || [ "$number" == "" ];then
    ip
fi
expect exp/sshlogin.exp ${list[$number]} passport 22 salt 1
done
}

ip

[root@localhost saltnew]# cat ip.csv 
"实例ID","名称","主机名","描述","Region名称","所在可用区","公网IP","内网IP","CPU","内存","付费类型","网络类型","带宽","创建时间(UTC)","到期时间(UTC)"
"i-23lw8l8kk","beta_bbs","xxx","","cn-hangzhou","cn-hangzhou-b","1.1.1.1","10.1.1.1","8","8192","包年包月","经典网络","1","2016-01-11T02:00Z","2016-02-11T16:00Z"

#!/usr/bin/expect
set ip [lindex $argv 0]
set pass [lindex $argv 1]
set port [lindex $argv 2]
set user [lindex $argv 3]
set id_dsa [lindex $argv 4]

if { $id_dsa == "1" } {set id "exp/wdzj_key";set i "-i"
spawn ssh $i $id -p $port $user@$ip
expect {
"*(yes/no)?"         {send  "yes
"; exp_continue}
"*password:"      { send "$pass
"}
"*wdzj_key':" { send "$pass
"}
}
}
if { $id_dsa == "0" } {
spawn ssh -p $port $user@$ip
expect {
"*(yes/no)?"         {send  "yes
"; exp_continue}
"*password:"      { send "$pass
"}
}
}
interact

这一例子想表示的就是shell数组的使用方法及用途！
效果如下：

*********************
* 0,www_组
* 1,wwwhuidu_组
* 21,其他
*********************
请输入编号: