flow and array LIVECODE

acron.rb

def acronymize(sentence)
  return "" if sentence == ""
  
  # split sentence into array of words
  words = sentence.split

  result = []
  
  # for each word
  words.each do |word|
    # take the first char, upcase it and store it 
    result << word[0].upcase
  end

  # return a string with the acro
  result.join
end

# Test
puts acronymize("be right back") == "BRB"
puts acronymize("away from keyboard") == "AFK"
puts acronymize("") == ""

paper_rock_scissor.rb

OPTIONS = %w(rock paper scissor)

user = nil

while user != "exit"

  computer = OPTIONS.sample
  # puts computer

  puts "Choose your destiny! or go HOME (by 'exit'ing)"
  user = gets.chomp

  if user == computer 
    puts "Draw"
  
  elsif user == "rock" && computer == "scissor" ||
    user == "paper" && computer == "rock" ||
    user == "scissor" && computer == "paper"

    puts "you WIN!"
  
  else
    puts "You lose..."
  end

end