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copied!<p>Just for comparison, here's some alternate ways to access the nodes using Nokogiri:</p> <pre><code>require 'ap' require 'open-uri' require 'nokogiri' rss = Nokogiri::XML(open('http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/front_page/rss.xml')) # check for parsing errors... puts "Errors exist" if (rss.errors.any?) # use CSS accessors for simplicity... news = rss.search('item').map { |i| # use CSS's namespace wildcard... thumbnail = i.at('media|thumbnail') begin url = thumbnail['url'] rescue url = '' end { 'title' => i.search('title').text, 'link' => i.search('link').text, 'description' => i.search('description').text, 'thumbnail' => url } } ap [*news[0 .. 1], *news[-2 .. -1]] # >> [ # >> [0] { # >> "title" => "Royal attack 'not down to radios'", # >> "link" => "http://www.bbc.co.uk/go/rss/int/news/-/news/uk-11975280", # >> "description" => "Police deny that a car carrying the Prince of Wales was caught up in student protests because of a breakdown in radio communications.", # >> "thumbnail" => "http://news.bbcimg.co.uk/media/images/50372000/jpg/_50372715_010819577-1.jpg" # >> }, # >> [1] { # >> "title" => "Pope Anglican offer 'dented ties'", # >> "link" => "http://www.bbc.co.uk/go/rss/int/news/-/news/uk-11974543", # >> "description" => "Britain's ambassador to the Vatican feared a backlash over the Pope's invitation to Anglicans to switch churches, according to leaked US cables.", # >> "thumbnail" => "http://news.bbcimg.co.uk/media/images/48697000/jpg/_48697938_007958675-1.jpg" # >> }, # >> [2] { # >> "title" => "Playing defence", # >> "link" => "http://news.bbc.co.uk/go/rss/int/news/-/1/hi/programmes/from_our_own_correspondent/9275324.stm", # >> "description" => "The friendly face of township where honeymoon bride was killed", # >> "thumbnail" => "http://news.bbcimg.co.uk/media/images/50385000/jpg/_50385343_football_afp.jpg" # >> }, # >> [3] { # >> "title" => "Newspaper review", # >> "link" => "http://www.bbc.co.uk/go/rss/int/news/-/news/uk-11975338", # >> "description" => "Papers reflect on attack on royal car", # >> "thumbnail" => "http://news.bbcimg.co.uk/media/images/49254000/jpg/_49254932_efb006dc-dd09-47bd-8f2d-37752152f772.jpg" # >> } # >> ] </code></pre> <p>Notice the use of the CSS namespace wildcard. It can make your life a lot easier if you don't care about namespaces in the document and want to process everything.</p>

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