blech is lazy

require 'rubygems'
require 'hpricot'
require 'open-uri'

url = ARGV[0]
doc = Hpricot(open(url))

a = []
doc.search('//p').each { |para|
    if para.inner_text =~ /^\s*-/ then
        a.push para.inner_text
    end
}

puts a.reverse.join("")