FileInputStream file = null;
        FileOutputStream outp = null;

        try {
            File f = new File(filename_in);
            file = new FileInputStream(filename_in);
            boolean eof = false;
            byte b;
            int tmp;

            while (!eof)
            {
                tmp = file.read();
                if (tmp == -1)
                {
                    eof = true;
                    break;
                }

                b = (byte)tmp;
            }

            file.close();
            outp.close();

        } catch (IOException ex) {

        }