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stevenhuey/hrefs.rb

Created May 2, 2013 20:57
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Given a page, use the Nokogiri gem to find all the HREFs (links) on the page.
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hrefs.rb
# Given a page use the Nokogiri gem to find all the HREFs (links) on the page
require 'nokogiri'
require 'open-uri'
def getAllHrefsInPage(page)
doc = Nokogiri::HTML(open(page))
links = doc.css('a')
hrefs = links.map {|link| link.attribute('href').to_s}.uniq.sort.delete_if {|href| href.empty?}
return hrefs
end
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