#include<stdio.h>
#include<stdlib.h>
#include<string.h>
()
{
FILE *pfile1;
int i,j;
i=1;
j=0;
char flag[3];
strcpy(flag,"");

while (i>0)
{
system("wget -p http://www.cs.rmit.edu./students/");
pfile1=fopen(" ./www.cs.rmit.edu./.txt","w");

system("mkdir ");


system("md5sum ./www.cs.rmit.edu./images/*.* > ./www.cs.rmit.edu./.txt ");


fclose(pfile1);


if (strcmp(flag,"yes")!=0)
{

system(" mv ./www.cs.rmit.edu./.txt ./.txt");
system(" cp ./www.cs.rmit.edu./students/index.html ./");

}


if (strcmp(flag,"yes")==0)
{


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

system(" mv ./www.cs.rmit.edu./.txt ./.txt");

}

sleep(86400);
j++;
strcpy(flag,"yes");
}

}

#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;
}
