class Array
  def group(delim="*")
    final_array = []
    phrase = ""
    self.each do |item|
      if item == "*"
        final_array << phrase.chop unless phrase == ""
        phrase = ""
      else
        phrase += "#{item} "
      end
    end
    final_array << phrase.chop unless phrase == ""
    return final_array
  end
end

words = ["foo", "*", "bar", "*", "blah", "blah"]
p words.group