RosettaCodeData/Task/Nim-game/MiniScript/nim-game.mini

tokens = 12

print "Nim Game"
print "Starting with " + tokens + " tokens."
print

printRemaining = function()
   print tokens + " tokens remaining."
   print
end function

playerTurn = function(take)
   take = floor(val(take))
   if take < 1 or take > 3 then
      print "Take must be between 1 and 3."
      return false
   end if

   globals.tokens = tokens - take

   print "Player takes " + take + " tokens."
   printRemaining
   return true
end function

computerTurn = function()
   take = tokens % 4
   globals.tokens = tokens - take

   print "Computer takes " + take + " tokens."
   printRemaining
end function

while tokens > 0
   if playerTurn(input("How many tokens would you like to take? ")) then
      computerTurn
   end if
end while

print "Computer wins."