CharityNavigator.rb

require 'rubygems'
require 'mash'
require 'httparty'

class CharityNavigator
    include HTTParty
    format :xml
    base_uri "www.charitynavigator.org/feeds/search4"

    def initialize(appid)
        self.class.default_params :appid=>appid
    end
    def find(params={})
        Mash.new(self.class.get("/?", :query=>params))
    end
    def method_missing(key)
        self[key.to_s] || super
    end

end

if __FILE__ == $0
  puts "Enter appid"
  appid=gets
  c= CharityNavigator.new appid
  r= c.find :state=>13, :rating=>4, :letter=>"a"
  r.resultset.charity.each{|f| puts f.charity_name}
end