twitter-thanks.rb

# encoding: utf-8
require "rubygems"
require "twitter"

rClient = Twitter::REST::Client.new do |config|
  config.consumer_key = ""
  config.consumer_secret = ""
  config.access_token = ""
  config.access_token_secret = ""
end

sClient = Twitter::Streaming::Client.new do |config|
  config.consumer_key = ""
  config.consumer_secret = ""
  config.access_token = ""
  config.access_token_secret = ""
end

me = "" # prevent DMing yourself

sClient.user do |object|
  if object.is_a? Twitter::Streaming::Event and object.name==:follow
    user = object.source
    if user.name != me
      rClient.create_direct_message user, "Thanks for following me #{user.name} :)"
      puts "New follower : #{object.source.name}"
    end
  end
end