import java.io.*;

public 
class Main
{
   public static void main(String args[])
   {
      if (args.length < 2){
         System.out.println("Wywoanie programu: Main nazwa_pliku nazwa_pliku");
         System.exit(0);
      }
      FileInputStream fin = null;
      FileOutputStream fout = null;
      File fileIn = new File(args[0]);
      File fileOut = new File(args[1]);
      try{
         fin = new FileInputStream(fileIn);
      }
      catch(FileNotFoundException e){
         System.out.println("Brak pliku " + args[0]);
         System.exit(-1);
      }
      try{
         fout = new FileOutputStream(fileOut);
      }
      catch(FileNotFoundException e){
         System.out.println("Brak pliku " + args[1]);
         System.exit(-1);
      }
      try{
         int b;
         while ((b = fin.read()) != -1){
            fout.write(b);
         }
         System.out.println("Kopiowanie zakoczone!");
      }
      catch(IOException e){
         System.out.println("Read/Write error");
      }
   }
}
