Guessing a digital shell script in Linux

Use the time of the Linux system in the second 1-59 to guess the number game, the detailed code is as follows:

#!/bin/bash#author wangning#date 2017-7-15#qq 1198143315#email [email protected]##### ############################## #define  color######################### #red = "\033[31m" green= "\033[32m" Yellow = "\033[33m" color= "\033[0m" ##################### #check  number if conform 1-59############## ######### #check_number () {expr  $num 1 + 1 &>/dev/nullif [ $? -ne  0 ];then   echo -e  "please input  $red  number  $color"     continue 1elif [ -z  $num 1 ];then   echo -e  "$ Yellow can ' t be empty  $color    continue 2elif [  $num 1  -gt 59 ];then   echo -e  "$green  can ' t great than 59   $color "   continue 3fi}############################### #guess  number ###### #################### # # # #guess_number () {if [  $num 1 -gt  $num  ];then   echo -e  "   $yellow  too big  $color "elif [  $num 1 -eq  $num  ];then    echo -e  "$green  congratulation, you  have guessed !  $color" elif [  $num 1 -lt  $num  ];then   echo -e  "$green  too  small  $color "fi}############################## #while  circulation############################## # #main () {while truedonum=$ (date +%s) read -p  "please input number 1-59:"  num1check_numberguess_numberdone}main

This article is from the "Galloping Camel" blog, make sure to keep this source http://wn2100.blog.51cto.com/9915310/1947812

Guessing a digital shell script in Linux