posterous_rss_pull.rb

 require 'rss'
  require 'open-uri'
@contentArray = []
  rss = RSS::Parser.parse open('http://weatheredwatcher.posterous.com/rss.xml').read, false

  puts rss.channel.title

  rss.items.each_with_index do |item,i|
    puts "" if i.zero? or item.date.day != rss.items[i-1].date.day

    line =  "#{item.title} <br />written by weatheredwatcher at #{item.date} <br /> #{item.description}"
    @contentArray.push line
  end