This will take a UPC number and return the Title.

get_upc.rb

require 'rubygems'
require 'nokogiri'
require 'open-uri'
                                       
puts "Give me a UPC code:"
upc = gets.chomp

url = "http://www.upcdatabase.com/item/" + upc
doc = Nokogiri::HTML(open(url))

table_data = Array.new

doc.css("tr td").each do |item|
  table_data << item
end            

title = table_data[8]

if title
  puts title.inner_html
else
  puts "No results found, try again."
end