gistfile1.scala

  val tiles = Map[Char, Int](
    'a' -> 1,
    'b' -> 3,
    'c' -> 3,
    'd' -> 2
    // etc.
  )

  def main(args: Array[String]) {
    var out = Vector[String]()
    out ++= Seq(
      "",
      "Scrabble Calculator 1.0",
      "Enter words on the commandline.",
      "Use a '_' character for blank tiles.",
      ""
    )
    out ++= args map {
      case w if w.length < 2 => w + ": one-letter words disallowed in Scrabble"
      case w                 => w + ": " + (w map tiles).sum + " points"
    }
    out foreach println
  }