getSymbols

gistfile1.scala

#!/bin/sh
exec scala "$0" "$@" -feature
!#

// Execute:
// ./RandomSymbol numberOfSymbolIds numberOfSymbolsOnCard

object RandomSymbol {
  def main(args: Array[String]) {
    val symbolIdList = 1 to args(0).toInt toList
    val loose = symbolIdList.combinations(args(1).toInt).toList
    val win = symbolIdList.combinations(args(1).toInt - 3).toList

    def shuffle(list : List[_]) = util.Random.shuffle(list)
    def getSymbols(list : List[List[Int]]) : List[Int] = {
      list(util.Random.nextInt(list.size))
    }
    var again = true
    while(again){
      val winNumber = util.Random.nextInt(symbolIdList.size)
      val win = symbolIdList.filter(_ != winNumber).combinations(args(1).toInt - 3).toList
      println("WinNumber: "  + winNumber)
      println("Win: " + shuffle(getSymbols(win).map(v => v.toString) ++ List(winNumber, winNumber, winNumber) ))
      println("Loose: " + shuffle(getSymbols(loose).map(v => v.toString)))
      print("Again? (y/n) ")
      again = (readLine) == "y"

    }

  }
}