Check availability on powder valley

powder_valley.rb

require 'rubygems'
require 'nokogiri'
require 'open-uri'

pages= %w[CCIprimers REMprimers WINprimers accurate alliant hodgdon BEBullets HPBullets SPPBullets]
pages.each do |page|
  doc = Nokogiri::HTML(open("http://www.powdervalleyinc.com/#{page}.shtml"))
  
  doc.xpath('//form//table//tr').each_with_index do |row, index|
    next if index < 2 
    row.xpath('td').each do |cell|
      print '"', cell.text.gsub("\n", ' ').gsub('"', '\"').gsub(/(\s){2,}/m, '\1'), "\", "
    end
    print "\n"
  end
end