scrap.rb

require 'open-uri'
require 'nokogiri'

def crawler
 

  html_file = open("https://www.telemat.org/FFE/sif/?cs=4.b89a903644ffd5d8535b7c2e3ea76df40e938ea270daff04b31071e7fd06c55d6bfbdc96102d6a2cf9d09b11fd91f11aac2a8809e0bed31e88d207b9157307841540ce094208aa2f1b90a7f3020671484fedc42be5785112a35303bbe8c62e76727e2e0f14d72dc972270270c61155299c2a")
  html_doc = Nokogiri::HTML(html_file)
  
#Working html_doc.search('.impair td:nth-child(4)').each do |element|
  
  html_doc.search('.tablesorter-hasChildRow td:nth-child(4)').each do |element|
    print element.text
    print element.attribute("href")
  end
end

crawler