#!/bin/bash


echo 'input'

read num

echo "the data is $num"

if [ $num -eq 1 ];then
echo 'lll ---1'
elif [ $num -eq 2 ]; then
echo 'lll-- 2'
elif [ $num -eq 3 ]; then
echo 'lll -- 3 '
fi

echo "下面是case"

case $num  in
 1) echo "case $num" ;;
 2) echo "case $num" ;;
 3) echo "case $num" ;;

 *) echo "默认 $num" ;;
esac

#!/bin/bash

shopt -s ncasematch
echo "输入你的名字，特殊名字有奖励！"

read yourname

case $yourname in

su | veng | my)
        echo "你猜对了！我是suveng"
        ;;
李元芳 | 大乔 | 无双 | 牛逼)
        echo "没错！！！"
        ;;
*)
        echo "再猜一次？提示 suveng"
        ;;
esac