Automated Twillio RubyConf ticket avaliability checker

rbconf.rb

require 'mechanize'
require 'twilio-ruby'

# Need to save a file with the html body to refer to later in the script since this is run
# in a cron job.

if File.exists?("rubyregistration.html")
  body = File.read("rubyregistration.html")
else
  File.open("rubyregistration.html","w+") do |file|
    file.puts Mechanize.new.get("https://rubyconf2012.busyconf.com/bookings/new").search("/html/body/div/div/div/div[2]").inner_html
end
  body = File.read("rubyregistration.html")
end

account_sid = 'YOUR ACCOUNT SID'
auth_token = 'AUTH TOKEN'
current_body = Mechanize.new.get("https://rubyconf2012.busyconf.com/bookings/new").search("/html/body/div/div/div/div[2]").inner_html
if current_body != body
 @client = Twilio::REST::Client.new account_sid, auth_token
 @client.account.sms.messages.create(
  :from => 'FROM_NUM',
  :to => 'CALL_NUM',
  :body => 'RubyConf Tickets are ready right now!!!!!'
)
end