gotweet.rb

require 'rubygems'
require 'twitter'
require 'htmlentities'
require 'optparse'
require 'ostruct'
require 'shorturl'

  def self.arstweet(title,author,teachingfileurl)
  
  httpauth = Twitter::HTTPAuth.new("arsteach", "")
  base = Twitter::Base.new(httpauth)

  yurl = ShortURL.shorten("#{teachingfileurl}")
  # puts yurl

  base.update("#{title}, by #{author}, #{yurl} has been posted.")
   
end