lecture du cours de scrapping

scrapp.rb

require 'open-uri'
require 'nokogiri'
require 'csv'

ingredient = 'chocolate'
compter = 0
array = []
10.times do
  puts "page #{compter}"
  url = "http://www.letscookfrench.com/recipes/find-recipe.aspx?s=#{ingredient}&start=#{compter}"
  compter += 10
  html_file = open(url).read
  html_doc = Nokogiri::HTML(html_file)

  html_doc.search('.m_titre_resultat a').each do |element|
    array << [element.text.strip, element.attribute('href').value]
  end

end

csv_options = { col_sep: ',', force_quotes: true, quote_char: '"' }
filepath    = 'chocolate.csv'

CSV.open(filepath, 'wb', csv_options) do |csv|
  csv << ['title', 'url']
  array.each do |receipe|
    csv << receipe
  end
end