import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

class copy_c // Hållare för mainfunktion
{
 public static void main(String[] args)
  {
    if ( args.length != 2 )
    {
      System.out.println( 
        "Kör: javac källfil målfil" );
      return;
    //////////
    } // if

    try
    {   
      File src_file = new File(args[0]);
      File dest_file = new File(args[1]); 

      FileInputStream src_stream = 
        new FileInputStream(src_file); 
      FileOutputStream dest_stream = 
        new FileOutputStream(dest_file);

      int c;
      while ((c = src_stream.read()) != -1) 
      {
        dest_stream.write(c);
      } //
      src_stream.close(); 
      dest_stream.close();
    } // try

    catch (FileNotFoundException e)
    {
      System.err.println(
        "file not found:" + args[0]);   
    }
    catch (IOException e)
    {
      System.err.println(
        "I/O error:" + e.getMessage());
    }
  } // main
} // copy_c