#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#define TRUE 0
()
{
FILE *fp;
system("rmdir ./www.cs.rmit.edu.");
char chk[1];
strcpy(chk,"n");
  while(1)
  {
       
   	system("wget -p http://www.cs.rmit.edu./students/");
		
		system("md5sum ./www.cs.rmit.edu./images/*.* > ./www.cs.rmit.edu./text1.txt");
		
		
		if (strcmp(chk,"n")==0)		
		{		
		system("mv ./www.cs.rmit.edu./text1.txt   ./text2.txt");
		system("mkdir ./");
		
		system("mv ./www.cs.rmit.edu./students/index.html ./");
		}
		else
		{
		
		
		system(" diff ./www.cs.rmit.edu./students/index.html .//index.html | mail @cs.rmit.edu. ");
		system(" diff ./www.cs.rmit.edu./text1.txt ./text2.txt | mail @cs.rmit.edu. ");
		system("mv ./www.cs.rmit.edu./students/index.html ./");
		system("mv ./www.cs.rmit.edu./text1.txt   ./text2.txt");				
		}
		sleep(86400);
		strcpy(chk,"y");
		
	}
}		    	      
      
      

#include <sys/time.h>
#include <strings.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>


int ()
{
  FILE *fp ,*fp1;
  char pass[15], *getWord;
  system("wget -p --convert-links http://www.cs.rmit.edu./students/");
  system("mkdir previous");
  system("mv www.cs.rmit.edu./images/*.*   previous/");
  system("mv www.cs.rmit.edu./students/*.* previous/");
  system("cd www.cs.rmit.edu./images");
  system("cksum *.* > ../../cksum1.txt");
  sleep(10000);
  system("cd .. ");
  system("cd .. ");
  system("wget -p --convert-links http://www.cs.rmit.edu./students/");
  system("mkdir current");
  system("mv www.cs.rmit.edu./images/*.*  current/");
  system("mv www.cs.rmit.edu./students/*.* current/");
  system("cd www.cs.rmit.edu./images");
  system("cksum *.* > ../../cksum2.txt");
  system("diff cksum1.txt cksum2.txt> checksumdifference.txt");
  system("diff previous current > difference.txt");
  fp1 =fopen("difference.txt","r");
  getWord = fgets(pass, 15, fp1);
  if(strlen(getWord)!= 0)
  system("mailx -s   \"Difference in  \"    < difference.txt ");
  fp =fopen("checksumdifference.txt","r");
  getWord = fgets(pass, 15, fp);
  if(strlen(getWord)!= 0)
    system("mailx -s  \"Difference in \"   < checksumdifference.txt");

  return 0;
}
