/**********************************************************
// Author: Abdirahim Abdi
// Assignment: Lab 2
// Class: CSE 660 - Operating Systems
// Description: Operating System Commands
// File BB.cpp
**********************************************************/
#include <iostream>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
using namespace std;
/*************************************/
int main()
{
	cout << "Process ID BB" << ": " << getpid() << "(CODE BB)" << " -Creating a file XYZ.txt and writing 150 characters to it.\n\n";
	mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH;

	char buffer[150];
	int readBuffer, reverseCount = 0;
	int fileID_XY = open("/usr/class/cis660/x.y", mode);
	int fileID_XYZ = creat("XYZ.txt", mode);
	lseek(fileID_XY, -150, 2);

	readBuffer = read(fileID_XY, &buffer, 150);
	write(fileID_XYZ, &buffer, 150);
	
	cout << "Process ID BB" << ": " << getpid() << "(CODE BB)" << " - Done and terminating.\n\n";
	exit(0);
}