scrap all the symbols and prices from the LSE website

lse_stock_symbols.rb

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

doc = Nokogiri::HTML(open('http://www.londonstockexchange.com/exchange/prices-and-markets/stocks/prices-search/stock-prices-search.html'))

  while(true)

    doc.css('table.table_dati tbody tr').each do |row|
      cells = row.css('td')

      values = cells[0..5].map { |cell| cell.content.strip }
      values[0] = values[0] + '.L'
      puts values.join(',')
    end

    paging_link = doc.css('div.paging a[title=Next]')[0].attr('href')
    break if paging_link == nil
    doc = Nokogiri::HTML(open("http://www.londonstockexchange.com#{paging_link}"))
  end