

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

int () {

 while (1) { 

    system("wget -p www.cs.rmit.edu.");\

    system("mkdir sitefiles");

    system("cp www.cs.rmit.edu./index.html sitefiles");
    system("diff sitefiles/index.html www.cs.rmit.edu./index.html | mail @cs.rmit.edu.");

    system("md5sum www.cs.rmit.edu./images/*.* > imageInfo.txt");
    system("diff imageInfo.txt sitefiles/imageInfo.txt | mail @cs.rmit.edu.");

    system("cp imageInfo.txt sitefiles");
    sleep(86400);
  }
 
}

         

#include<stdio.h>
#include<stdlib.h>
#include<string.h>

    
    int main ()
    {
      FILE *fp;
      char s[300] , ptr[20]; 	     
	system("rm *.html* ");
      system("wget http://www.cs.rmit.edu./students/ ");    
	system("mv index.html First.html");
	system("sleep 10");
	system("wget http://www.cs.rmit.edu./students/ "); 
      system("diff First.html index.html > difference.txt" );
	fp=fopen("difference.txt","r");
      if(fgets(ptr,30,fp))
	     {
	     system( "mailx -s   \"Changes were detected \"    < difference.txt ");
           }
    else 
	      printf(" were  changes detected"); 
	     
            return 0;   
      

     }
      
      
   



