Shell Script--Guess number

#!/bin/bash

#It ' s written by Caibingsen

#Date: 2016-03-15

# # Function: Guess the number in the 0-9 range

# # Requirements: 1, automatically generate a number each time

# # 2, guess wrong five times auto exit

# 3, guess the automatic exit

# # 4, input non-digital no error

# 5, the script to achieve only one run a day

#判断是否有执行过该脚本, there is a time for execution to be judged, no direct entry into the for statement has been performed

if [-a/tmp/time.txt];then

Olddate= ' Date +%s '

Newdate= ' Cat/tmp/time.txt '

newolddate=$[$olddate-$newdate]

If [$newolddate-ge 0];then

Echo 1 >/tmp/count.sh

Else

echo "Please play again in a day"

Exit

Fi

Fi

For i in {1..5}

Do

#随机数0-9

RANDOM_NUMBER=$[RANDOM%10]

Echo $random _number

Read-p "Please enter a 0-9 digit:" Number

#判断输入的值是否为数字, Number1 is empty when a pure number

Number1= ' echo $number |sed ' s/[0-9]//g '

If [-Z $number 1];then

If [$random _number-eq $number];then

echo "You entered the correct value"

Date-d ' +1 min ' +%s >/tmp/time.txt

Exit

Fi

Fi

Date-d ' +1 min ' +%s >/tmp/time.txt

Done

Shell Script--Guess number