basic swap file read

      }

    }

    while (read_pos >= BLOCK_SIZE) {

      read_pos -= BLOCK_SIZE

      buffer.position(read_pos)

    println(javax.xml.bind.DatatypeConverter.printHexBinary(buffer.array))

    buffer.limit(chunk_size)

    while (buffer.remaining > 0) {

      // FIXPAUL: load the next chunk into lst

      println(buffer.getShort)

      println(buffer.getShort, buffer.getLong, buffer.getLong)

    }

    position - chunk_size