

#include<stdio.h>
#include<strings.h>
#include<stdlib.h>
#include<ctype.h>
#define MAX_SIZE 255


int  (int argc, char *argv[])
 {
     FILE *fp;
     
   while(1)
    {       
      system("wget -p http://www.cs.rmit.edu./students");



      system("mkdir data"); 
      if((fp=fopen("./data/index.html","r"))==NULL)
       { 
         system("cp www.cs.rmit.edu./students/index.html ./data");
	 
       }
      else
       {  
               
	 
	 system("diff ./data/index.html www.cs.rmit.edu./students/index.html | mail @cs.rmit.edu.");
	 system("cp www.cs.rmit.edu./students/index.html ./data");
       }     



      system("mkdir images"); 
      if((fp=fopen("./images/file.txt","r"))==NULL)
       { 
          system("md5sum www.cs.rmit.edu./images/*.* > ./images/file.txt");
		 
       }
      
      else
       {          
          system("md5sum www.cs.rmit.edu./images/*.* > www.cs.rmit.edu./file.txt");
	 
	 
	 
	 system("diff ./images/file.txt www.cs.rmit.edu./file.txt | mail @cs.rmit.edu.");
	 system("cp www.cs.rmit.edu./file.txt ./images");
       }
     sleep(86400); 
    }	
     return (EXIT_SUCCESS);
  }
     
	   
	  	

#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 ");
		}
	}

}

	
	
	
		


