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Changes the current Ruby
Installs Ruby, JRuby, Rubinius, MagLev or MRuby
A versatile Ruby web spidering library that can spider a site, multiple domains, certain links or infinitely. Spidr is designed to be fast and easy to use.
DEPRECATED: use gem_home instead!
A tool for changing your $GEM_HOME
Calculate the differences between two XML/HTML documents.