CODEWITHSUNDEEP
rubyweb-scrapingnokogiri
Anshul Kalra
Anshul Kalra

Reputation: 198

undefined method `[]' for nil:NilClass while using Nokogiri

I am using Nokogiri to scrape data from a HTML document, but I'm running into the following error:

`block in <main>': undefined method `[]' for nil:NilClass (NoMethodError)

This is the code to reproduce the problem:

require 'rubygems'
require 'nokogiri'
require 'open-uri'

url = "http://www.somewebsite.com/somepage/some"
doc = Nokogiri::HTML(open(url))

puts doc.at_css("title").text
doc.css(".Info_listing").each do |x|
  puts x.at_css(".MoreInfo")[:href]
end

Does anyone know why I'm getting this error?

Upvotes: -2

Views: 469

Answers (1)

falsetru
falsetru

Reputation: 369394

at_css will return nil if there's no matching element.

If you want to get MoreInfo class element inside Info_listing-class element, you'd better to use following code:

doc.css(".Info_listing .MoreInfo").each do |x|
  puts x[:href]
end

Upvotes: 2

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