read tacobell nutrition info from their web site

tacobell.rb

require 'open-uri'
require 'nokogiri'

doc = Nokogiri(URI('https://www.nutritionix.com/taco-bell/menu/premium').read)

headers = doc.css('thead th a span span[aria-hidden]').map do |header|
  header.text.strip
end

rows = doc.css('tbody tr').map do |row|
  values = row.css('td.col').map do |cell|
    cell.text.gsub(/[^0-9]/,'').to_i
  end

  name = row.css('td.al a.nmItem').text.strip

  next if name.empty?

  {
    name: name,
    values: Hash[headers.zip(values)]
  }

end.compact

pp rows