# Nokogiri 1.2.3 Released **URL:** \ **Category:** Ruby\ **Created:** [March 23, 2009, 4:55am UTC](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607 "2009-03-23T04:55:24Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![aaronpowell](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7bcc69/32.png) [@aaronpowell](https://www.ruby-forum.com/u/aaronpowell)\ **Post date:** [March 23, 2009, 4:55am UTC](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607/1 "2009-03-23T04:55:24Z")
nokogiri version 1.2.3 has been released! - [http://nokogiri.rubyforge.org/](http://nokogiri.rubyforge.org/) - [http://github.com/tenderlove/nokogiri/wikis](http://github.com/tenderlove/nokogiri/wikis) - [http://github.com/tenderlove/nokogiri/tree/master](http://github.com/tenderlove/nokogiri/tree/master) - [http://rubyforge.org/mailman/listinfo/nokogiri-talk](http://rubyforge.org/mailman/listinfo/nokogiri-talk) - [http://nokogiri.lighthouseapp.com/projects/19607-nokogiri/overview](http://nokogiri.lighthouseapp.com/projects/19607-nokogiri/overview) Nokogiri (鋸) is an HTML, XML, SAX, and Reader parser. Changes: ### 1.2.3 / 2009-03-22 - Bugfixes ## FEATURES: - XPath support for document searching - CSS3 selector support for document searching - XML/HTML builder - Drop in replacement for Hpricot (though not bug for bug) Nokogiri parses and searches XML/HTML very quickly, and also has correctly implemented CSS3 selector support as well as XPath support. Here is a speed test: - [Result · GitHub](http://gist.github.com/24605) Nokogiri also features an Hpricot compatibility layer to help ease the change to using correct CSS and XPath. ## SUPPORT: The Nokogiri mailing list is available here: - [http://rubyforge.org/mailman/listinfo/nokogiri-talk](http://rubyforge.org/mailman/listinfo/nokogiri-talk) The bug tracker is available here: - [Lighthouse - Beautifully Simple Issue Tracking](http://nokogiri.lighthouseapp.com/projects/19607-nokogiri/overview) ## SYNOPSIS: require ‘nokogiri’ require ‘open-uri’ # Get a Nokogiri::HTML:Document for the page we’re interested in… doc = Nokogiri::HTML(open(‘[tenderlove - Google Search](http://www.google.com/search?q=tenderlove)’)) # Do funky things with it using Nokogiri::XML::Node methods… #### # Search for nodes by css doc.css(‘h3.r a.l’).each do |link| puts link.content end #### # Search for nodes by xpath doc.xpath(‘//h3/a[@class=“l”]’).each do |link| puts link.content end #### # Or mix and match. doc.search(‘h3.r a.l’, ‘//h3/a[@class=“l”]’).each do |link| puts link.content end ## REQUIREMENTS: - ruby 1.8 or 1.9 - libxml2 - libxml2-dev - libxslt - libxslt-dev ## INSTALL: - sudo gem install nokogiri - [http://nokogiri.rubyforge.org/](http://nokogiri.rubyforge.org/) - [http://github.com/tenderlove/nokogiri/wikis](http://github.com/tenderlove/nokogiri/wikis) - [http://github.com/tenderlove/nokogiri/tree/master](http://github.com/tenderlove/nokogiri/tree/master) - [http://rubyforge.org/mailman/listinfo/nokogiri-talk](http://rubyforge.org/mailman/listinfo/nokogiri-talk) - [http://nokogiri.lighthouseapp.com/projects/19607-nokogiri/overview](http://nokogiri.lighthouseapp.com/projects/19607-nokogiri/overview) ---
**Author:** ![aaronpowell](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7bcc69/32.png) [@aaronpowell](https://www.ruby-forum.com/u/aaronpowell)\ **Post date:** [March 23, 2009, 10:40am UTC](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607/2 "2009-03-23T10:40:36Z")
When I do “gem install nokogiri” I get: Building native extensions. This could take a while… ERROR: Error installing nokogiri: ERROR: Failed to build gem native extension. /usr/bin/ruby extconf.rb install nokogiri checking for #include \ … yes checking for #include \ … no libxml2 is missing. try ‘port install libxml2’ or ‘yum install libxml2’ but when I try and do “yum install libxml2” I get: Package libxml2-2.7.3-1.fc10.i386 already installed and latest version How can I fix this? Thanks, Phil. Aaron P. wrote: > Changes: > > - Builder methods take a hash as a second argument > > end > puts link.content > > ## INSTALL: > > - sudo gem install nokogiri > > - [http://nokogiri.rubyforge.org/](http://nokogiri.rubyforge.org/) > > - [http://github.com/tenderlove/nokogiri/wikis](http://github.com/tenderlove/nokogiri/wikis) > > - [http://github.com/tenderlove/nokogiri/tree/master](http://github.com/tenderlove/nokogiri/tree/master) > > - [http://rubyforge.org/mailman/listinfo/nokogiri-talk](http://rubyforge.org/mailman/listinfo/nokogiri-talk) > > - [http://nokogiri.lighthouseapp.com/projects/19607-nokogiri/overview](http://nokogiri.lighthouseapp.com/projects/19607-nokogiri/overview) – Philip R. GPO Box 3411 Sydney NSW 2001 Australia E-mail: removed\_email\_address@domain.invalid ---
**Author:** ![aaronpowell](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7bcc69/32.png) [@aaronpowell](https://www.ruby-forum.com/u/aaronpowell)\ **Post date:** [March 23, 2009, 10:44am UTC](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607/3 "2009-03-23T10:44:44Z")
On Mon, Mar 23, 2009 at 9:36 AM, Philip R. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > … no > libxml2 is missing. try ‘port install libxml2’ or ‘yum install libxml2’ > > but when I try and do “yum install libxml2” I get: yum install libxml2-devel ? (yay redhat) ---
**Author:** ![aaronpowell](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7bcc69/32.png) [@aaronpowell](https://www.ruby-forum.com/u/aaronpowell)\ **Post date:** [March 23, 2009, 11:45am UTC](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607/4 "2009-03-23T11:45:15Z")
Dick, Dick D. wrote: > > checking for #include \ > > … no > > libxml2 is missing. try ‘port install libxml2’ or ‘yum install libxml2’ > > > > but when I try and do “yum install libxml2” I get: > > yum install libxml2-devel ? Yep, had to do libxslt-devel as well but looks good - Thanks! Phil. > (yay redhat) – Philip R. GPO Box 3411 Sydney NSW 2001 Australia E-mail: removed\_email\_address@domain.invalid ---
**Author:** ![aaronpowell](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7bcc69/32.png) [@aaronpowell](https://www.ruby-forum.com/u/aaronpowell)\ **Post date:** [March 23, 2009, 10:49pm UTC](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607/5 "2009-03-23T22:49:32Z")
On Tue, Mar 24, 2009 at 04:29:47AM +0900, ara.t.howard wrote: > On Mar 22, 2009, at 9:51 PM, Aaron P. wrote: > > > - Builder methods take a hash as a second argument > > can builder generate nodes like yet? It’s possible, just not easy. 😉 I’m working on it. ---
**Author:** ![aaronpowell](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7bcc69/32.png) [@aaronpowell](https://www.ruby-forum.com/u/aaronpowell)\ **Post date:** [March 23, 2009, 8:34pm UTC](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607/6 "2009-03-23T20:34:04Z")
On Mar 22, 2009, at 9:51 PM, Aaron P. wrote: > - Builder methods take a hash as a second argument can builder generate nodes like yet? a @ [http://codeforpeople.com/](http://codeforpeople.com/) ---
**Author:** ![aaronpowell](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7bcc69/32.png) [@aaronpowell](https://www.ruby-forum.com/u/aaronpowell)\ **Post date:** [March 23, 2009, 11:44pm UTC](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607/7 "2009-03-23T23:44:02Z")
On Mar 23, 2009, at 3:42 PM, Aaron P. wrote: > It’s possible, just not easy. 😉 > > I’m working on it. have a look at this [http://codeforpeople.rubyforge.org/svn/tagz/trunk/](http://codeforpeople.rubyforge.org/svn/tagz/trunk/) it avoids completes the method missing issues, allows mixing in, and even supports conditional escaping for factoring out xml/html partials. i’m using nokogiri for reading now, but tagz for writing cheers. a @ [http://codeforpeople.com/](http://codeforpeople.com/)