/* Tekstifaili kopeerimine.

   Kasutamisel tuleb parameetritena pakkuda lähtefaili nime ja
   koopia nime. Näiteks 


   java CopyFile FIRST.TXT SECOND.TXT
*/

import java.io.*;

class CopyFile {
  public static void main(String args[]) 
    throws IOException
  {
    int i;
    FileInputStream fin;
    FileOutputStream fout;

    try {
      fin = new FileInputStream(args[0]);
      fout = new FileOutputStream(args[1]);
    } catch(FileNotFoundException e) {
      System.out.println("Ei leidnud faili");
      return ;
    } catch(IOException e) {
      System.out.println("Väljundfaili avamise viga");
      return ;
    } catch(ArrayIndexOutOfBoundsException e) {
      System.out.println("Kasutamissüntaks: CopyFile lähtefail tulemifail");
      return ;
    }

    // Copy File
    try {
      do {
        i = fin.read();
        if(i != -1) fout.write(i);
      } while(i != -1);
    } catch(IOException e) {
      System.out.println("Failis viga");
    }

    fin.close();
    fout.close();
  }
}