脚本——猜数字

#!/bin/bash
number=$[RANDOM%1000]
while true
do
  for i in `seq 0 3`
  do
    if [ $i -eq 3 ]
    then
      read -ep "已经错了三次 是否继续?(yes/no):" d
      if test $d == "yes"
      then
        let i=0
        continue
      else
        let i=0
        echo "再见!"
        exit
      fi
    else
    read -ep "输入你猜的数:" c
    if [ $c -gt $number ]
    then
      echo "猜大了!"
      let i++
    elif test $c -lt $number
    then
      echo "猜小了!"
      let i++
    else
      echo "猜对了!程序结束了!"
    exit
    fi
  fi
  done
done

原文地址:https://www.cnblogs.com/hyydeali/p/12838545.html