piijp22

   public int processFile(String name, int quantity, int price) {
            int quantityCounter = 0;
            try {
            File inf = new File("input.txt");
            RandomAccessFile src = new RandomAccessFile(inf, "r");

            File outf = new File("output.txt");
            RandomAccessFile dst = new RandomAccessFile(outf, "rw");

            String line;
            while ((line = src.readLine()) != null) {
              String[]tmp = line.split(" ");

              if (tmp[0].equalsIgnoreCase(name)
                      && Integer.valueOf(tmp[1]) > quantity
                      && Integer.valueOf(tmp[2]) > price) {

                    quantityCounter += Integer.valueOf(tmp[1]);
                    int oldPrice = Integer.valueOf(tmp[2]);
                    int newPrice = oldPrice * 90/100;

                    line = (tmp[0] + " " + tmp[1] + " " + Integer.toString(newPrice));
                }
                dst.writeBytes(line);
                dst.writeByte(13);
                dst.writeByte(10);
            }
            src.close();
            dst.close();
        } catch (IOException e) {
            System.out.println("IOE:");
            e.printStackTrace();
        }
       return quantityCounter;
    }