// Java_cp.java    java Java_cp change.dat change2.dat
//                 reads  change.dat  and  writes  change2.dat
//                 cp or copy if you prefer

package myjava;

import java.io.*;

class Java_cp
{
  Java_cp(String[] args) throws IOException // constructor
  {
    try
    {
      String input_line;
      FileReader fin  = new FileReader(args[0]);
      BufferedReader file_in = new BufferedReader(fin);
      FileWriter fout = new FileWriter(args[1]);
      BufferedWriter b_fout = new BufferedWriter(fout);
      PrintWriter file_out = new PrintWriter(b_fout);

      System.out.println("Java_cp running");

      input_line = file_in.readLine();
      while(input_line != null)
      {
        file_out.print(input_line+"\n");
        input_line = file_in.readLine();
      }
      file_out.close();
      file_in.close();
      System.out.println("finished Java_cp");
    }
    catch(FileNotFoundException exception)
    {
    System.out.println(args[0]+" not found");
    }
    catch(Exception exception) // catches all exceptions
    {
      System.out.println("java Java_cp input-file output-file");
    }
  }

  
  public static void main (String[] args) throws IOException //"main" required
  {
    new Java_cp(args); // construct and execute the object
  }

} // end class Java_cp