

             
	     


#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<string.h>
#include<strings.h>
#include<stdlib.h>
#include<sys/time.h>


public static void main()
{
	int i;
	char ar[100];
	FILE* f;
	FILE* ;
	system("wget -O first www.rmit.edu./students");  
	while(1)
	{
		sleep(86400);	
		system("rm -f thed");
		system("rm -f new");
		system("wget -O new www.cs.rmit.edu./students");	
		system("diff new first >thed");	
		f=fopen("thed","r");
		if(fgets(ar,100,f)!=NULL)
		{		
			 printf("\n\n The  has CHANGEDS");		
			system("mail @cs.rmit.edu. <thed"); 
			system("cp new first");
			fclose(f);
		}
		else
		{
		fclose(f);
		printf("\n\nthe  has not changed ");
		}
	}

}

	
	
	
		


