Combine a pair of RSS feeds

feed_combine.rb

#!/usr/bin/env ruby 

require "rubygems"
require 'rss/1.0'
require 'rss/2.0'
require 'open-uri'
require 'rss/maker'

version = "2.0"
dest_dir = ""
destination = "#{dest_dir}/smt_combined_nl_rss.xml"

# http://socialmediatoday.com/feeds/nl/smt_curators_picks.xml
# http://socialmediatoday.com/feeds/nl/smt_popular_posts.xml

root_url = "http://socialmediatoday.com/feeds/nl"
feeds = ["/smt_curators_picks.xml", "/smt_popular_posts.xml"]
rss_items = []

feeds.each do |f|
  source = "#{root_url}#{f}"
  content = ""
  open(source) do |s| 
    content += s.read
  end

  rss = RSS::Parser.parse(content, false)  

  rss.items.each do |i|
    rss_items << i
  end
end

rss_output = RSS::Maker.make(version) do |m|
   m.channel.title = "SMT Combined Picks/Popular Feed"
   m.channel.link = "http://socialmediatoday.com"
   m.channel.description = "Combined RSS feed for editor\'s picks and popular items"
   m.items.do_sort = true

   rss_items.each do |i|
    begin
      item = m.items.new_item 
      item.title = i.title
      item.link = i.link
      item.date = i.date
      item.description = i.description
      item.dc_creator = i.dc_creator
      item.author = i.dc_creator
      item.guid.content = i.guid
      item.guid.content = i.guid.to_s
    rescue
    end
   end

end


 File.open(destination, "w") do |f|
   f.write(rss_output)
 end