Shell脚本实现猜数字游戏

vim guem.sh

#!/bin/bash
init()
{
echo "    猜数字游戏!!!      "
}
game()
{
number=$[$RANDOM%100]
while :
do
read -p "输入你要猜测的数字: " n1
n2=`echo $n1 | sed 's/[0-9]//g'`
if [ ! -z $n2 ]
  then
    echo "你输入的不是一个数字."
    continue
fi
if [ $n1 == $number ]
  then
    echo "你猜对了."
    read -p "你还想再玩一次么？（yes/no）" an1
    while true
        do
            case $an1 in
            yes)
            game
            break
            ;;
            no)
            break
            ;;
            *)
            exit
            esac
    done
    break
#!/bin/bash
init()
{
echo "                   "
echo "    猜数字游戏!!!      "
}
game()
{
number=$[$RANDOM%100]
while :
do
read -p "输入你要猜测的数字: " n1
n2=`echo $n1 | sed 's/[0-9]//g'`
if [ ! -z $n2 ]
  then
    echo "你输入的不是一个数字."
    continue
fi
if [ $n1 == $number ]
  then
    echo "你猜对了."
    read -p "你还想再玩一次么？（yes/no）" an1
    while true
        do
            case $an1 in
            yes)
            game
            break
            ;;
            no)
            break
            ;;
            *)
            exit
            esac
    done
    break
            break
            ;;
            no)
            break
            ;;
            *)
            exit
            esac
    done
    break
  elif [ $n1 -gt $number ]
  then
    echo "猜大了."
    continue
  else
    echo "猜小了."
    continue
  fi
done
}
 
 
while true
do
init
echo "1: 开始游戏 "
echo "0: 退出游戏    "
read -p " 请输入 0或者1:" NUM
 
case $NUM in
1)
    game
    break
    ;;
0)
    break
    ;;
esac

done