def replace_variables(txt, original = nil)
      if ! original.nil? && txt.include?("#USER#")
        username = tweet_user(original)
        txt.gsub("#USER#", username)
      else
        txt
      end
    end
def replace_variables(txt, original = nil)
      if ! original.nil? && txt.include?("
        username = tweet_user(original)
        txt.gsub("
      else
        txt
      end
    end
def replace_variables ( txt , original = nil ) if ! original . nil? && txt . include? ( "#USER#" ) username = tweet_user ( original ) txt . gsub ( "#USER#" , username ) else txt end end
do some simple variable substitution.  for now, it only handles
 replacing #USER# with the screen of the incoming tweet, but it
 could do more if needed
do some simple variable substitution . for now it only handles replacing #USER# with the screen of the incoming tweet but it could do more if needed