/**
	File Name:	CompareAssn.java
	Author:		Regina Barner
	Date:		25 February 2013
	Instructor:	Dr. Wang

	Goal: 		Create a program to simulate compare/'cmp' UNIX system command.  Compare two files together and output whether the files are identical or not.

 */

import java.util.Scanner;
import java.util.Arrays;
import java.io.File;

public class CompareAssn
{
	public static final int MAX = 100;

	public static void main(String[] args) throws java.io.FileNotFoundException
	{
		for(int i=0; i<args.length; i++)
			System.out.println(args[i]);
		if(args.length<2)
			System.out.println("Need two files to compare, please try again. \n");
		else
		{	Scanner input1 = new Scanner(new File(args[0]));
			Scanner input2 = new Scanner(new File(args[1]));
			String[] compare1 = new String[MAX];
			String[] compare2 = new String[MAX];
			int size1 = 0;
			int size2 = 0;
			int ncount = 0;
			boolean bool = true;

			while(input1.hasNext() && input2.hasNext())	
			{	compare1[size1] = input1.next();
				size1 ++;
				compare2[size2] = input2.next();
				size2 ++;
			}

			if(Arrays.equals(compare1, compare2) == true)
				System.out.println("The files are identical. \n");
			else
				System.out.println("The files are NOT identical. \n");			

			input1.close();
			input2.close();
		} 	

	}
}