Linux shell猜数游戏

#!/bin/bash
#猜数游戏 
Ran=$(( $RANDOM %100 +1 ))
count=0
echo "Please input a number between 1 and 100 : "
while true
do
    read -p "请输入一个数字(1~100): " ran
        let count++
    if (( $ran == $Ran )) ; then
        echo "You are right! "
        echo "你总共猜了($count)次"
        break
    elif (( $ran > $Ran )) ; then
        echo " 你输入的数大 "
    else
        echo " 你输入的数小 "
    fi
done