Simple crawler for DevVui fb fanpage

devvui-fb.rb

require "unirest"
require "nokogiri"
require "pry"

fb_url = "https://m.facebook.com/devvui/"
ua = "Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; WebView/3.0; NOKIA; Lumia 730 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) coc_coc_browser/55.100.7 Chrome/48.0.2564.82 Mobile Safari/537.36 Edge/14.14361"

html = Unirest.get fb_url, headers: {"User-Agent": ua}
doc = Nokogiri::HTML html.body

# doc.xpath("//a/img[@class='img']").each do |c|
doc.xpath("//div[contains(@class, 'fr')]/a[contains(@class, 'fs')]").each do |c|
  puts c['href']
end