gistfile1.rbx

# Just in case you can't make up your mind.
# Provide a string of choices separated by 'or'.
#
# p = Picker.new('tits or gtfo or OMFG')
# p.choice  # => 'tits'
# p.choice  # => 'OMFG'
#
#
# The second argument can be a separator:
#
# p = Picker.new('tits || gtfo || OMFG', '||')
# p.choice  # => 'tits'
# p.choice  # => 'OMFG'
class Picker
  def initialize(string, separator = 'or')
    @separator = Regexp.escape(separator)
    @choices = get_choices_from string
  end

  def choice
    @choices.sort_by {rand}.first
  end

  private

  def get_choices_from(string)
    return [] unless string
    string.split.grep(/[^#{@separator}]/i)
  end
end