random_emoji.rb

#To run this script, either copy and paste this whole thing into a console, or simply the following:
=begin

require 'rest-client'
eval(RestClient.get('https://gist.github.com/jcwilk/7477216/raw/1562c7a4bbcf7002f3402715da95826c095f103e/random_emoji.rb'))

=end

require 'nokogiri'
require 'rest-client'

emojis = Nokogiri.parse(RestClient.get('http://www.emoji-cheat-sheet.com/')).css('span.name')
emoji = ':'+emojis[(emojis.count*rand).to_i]+':'
puts emoji