Nokogiri

This is for scraping in Ruby. See the example below.

def getOpenValue(url)
	response=Net::HTTP.get URI(url)
	noko=Nokogiri::HTML(response)
	return noko.css("td[rid=OPENVALUE]").children.text
end
o_values=symbol1s.pluck(:url).map{|url| getOpenValue(url)}