shell应用之下载rpm包

#!/bin/bash
read -p "选择下载老师的哪种源：(adv,base,cobbler,docker,mysql,mysql57,open,auto)" download_option
IP=http://172.16.105.251
case $download_option in
adv)
for i in `elinks "$IP"/adv --dump |grep rpm |awk '{print $2}' |grep rpm`;do
    wget $i
done
;;
base)
for i in `elinks "$IP"/base --dump |grep rpm |awk '{print $2}' |grep rpm`;do
    wget $i
done
;;
cobbler)
for i in `elinks "$IP"/cobbler --dump |grep rpm |awk '{print $2}' |grep rpm`;do
    wget $i
done
;;
docker)
for i in `elinks "$IP"/docker --dump |grep rpm |awk '{print $2}' |grep rpm`;do
    wget $i
done
;;
mysql)
for i in `elinks "$IP"/mysql --dump |grep rpm |awk '{print $2}' |grep rpm`;do
    wget $i
done
;;
mysql57)
for i in `elinks "$IP"/mysql57 --dump |grep rpm |awk '{print $2}' |grep rpm`;do
    wget $i
done
;;
auto)
for i in `elinks "$IP"/auto --dump |grep rpm |awk '{print $2}' |grep rpm`;do
    wget $i
done
;;
open)
for i in `elinks "$IP"/open --dump |grep rpm |awk '{print $2}' |grep rpm`;do
    wget $i
done
;;
esac