//	Kevin Jeff
//	Assignment9
//	Due: April 15, 2013

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

public class assignment9
{
        public static void main(String[] args)
                throws java.io.FileNotFoundException
        {
                // input: args[0]; output: args[1]
		String fileName;
                if(args.length<1)
                        System.out.println("Need source file.\n\n");
                else
                {
                        if(args.length == 1)
                                fileName = "append.txt";
                        else
                                fileName = args[1];


			Scanner input2 = new Scanner(new File(args[1]));
                        PrintWriter output2 = new PrintWriter(fileName);
                        String text2;
                        while(input2.hasNextLine())
                        {       text2 = input2.nextLine();
                                output2.println(text2);
                        }

			
			Scanner input = new Scanner(new File(args[0]));
                        PrintWriter output = new PrintWriter(fileName);
                        String text;
			while(input.hasNextLine())
                        {       text = input.nextLine();
                                output.println(text);			
                        }
	
		
			

                        input.close();
                        output.close();
                }
                System.out.println("\nByebye.\n");
        }
}