HTTP Purge, for use with Varnish

purge.rb

require 'rest-client'

class Net::HTTP::Purge < Net::HTTPRequest
  METHOD = 'PURGE'
  REQUEST_HAS_BODY = false
  RESPONSE_HAS_BODY = true
end
 
module RestClient
  def self.purge(url, headers={}, &block)
    Request.execute(:method => :purge, :url => url, :headers => headers, &block)
  end
end

#allows:

RestClient.purge "http://www.example.com/purge_me_please"