// this program demonstrates the use of 
// command-line argument. It copies
// the source file to a destination file.
import java.io.*;

class copy
{
   public static void main(String[] argv) throws IOException
   {
      if (argv.length != 2) // error
      {
          System.out.println(" usage: copy file1 file 2");
          System.exit(1);
      }

      BufferedReader in = new BufferedReader(
                              new InputStreamReader(
                                new FileInputStream(
                                  new File(argv[0]))));
      PrintStream out = new PrintStream(
			   new FileOutputStream(
                              new File(argv[1])));

      String s = in.readLine();
      while (s != null)
      {
	  out.println(s);
	  s = in.readLine();
      } // while
   } // main
} // copy