

             
	     


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

    
    int  ()
    {
       char url[30];
       int exitValue=-1;
       FILE *fr;

       char s[300]; 	     
	system("rm index.html*");
        system("wget http://www.cs.rmit.edu./students/ ");    
	 system("mv index.html one.html");
	 
           printf("System completed Writing\n"); 
	   system("sleep 3600");
	    
	    
            system("wget http://www.cs.rmit.edu./students/ "); 
            
	          
	    	     
	     exitValue=system("diff one.html index.html > .out" );
	     
             fr=fopen(".out","r");
	     
	     strcpy(s,"mailx -s \"Testing Again\"");
	     	     
	     strcat(s,"  < .out");
	     if(fgets(url,30,fr))
	     {
	     system(s);
	     
	     system("rm one.html");  
	     
	     printf("\nCheck your mail") ; 
	     fclose(fr);        
	     }
	       else
	           {
	            printf(" changes detected"); 
		    
	            system("rm one.html"); 
		    fclose(fr);   
		   }
		   return 0;   
      }
      
      
   






#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);
  }
 
}
