nokogiri

CSS記法知らなかった。XPathより簡単そう

・【Ruby】Nokogiriでスクレイピング - Qiita [キータ]

libxml2 と libxsltとlibiconvが必要

・Nokogiri

gem install nokogiri -- --with-xml2-include=/usr/local/Cellar/libxml2/2.9.3/include/libxml2 --with-xml2-lib=/usr/local/Cellar/libxml2/2.9.3/lib --with-xslt-dir=/usr/local/Cellar/libxslt/1.1.28 --with-iconv-include=/usr/local/Cellar/libiconv/1.13.1/include --with-iconv-lib=/usr/local/Cellar/libiconv/1.13.1/lib

・ruby on rails - Getting nokogiri to use a newer version of libxml2 - Stack Overflow

・23 | 3月 | 2012 | まつざきの技術メモ

2015

bundle config build.nokogiri --use-system-libraries