bash_session.txt

dbrady@robomonkey:~/lmp/market (sprint)$ ruby -e 'require "rubygems"; require "trollop"; puts Trollop.class'
Module
dbrady@robomonkey:~/lmp/market (sprint)$ ruby -e 'require "rubygems"; require "nokogiri"; puts Nokogiri.class'
Module
dbrady@robomonkey:~/lmp/market (sprint)$ cd
dbrady@robomonkey:~ $ ruby -e 'require "rubygems"; require "trollop"; puts Trollop.class'
Module
dbrady@robomonkey:~ $ ruby -e 'require "rubygems"; require "nokogiri"; puts Nokogiri.class'
./nokogiri.rb:4: uninitialized constant Nokogiri (NameError)
        from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
        from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `require'
        from -e:1

### EDIT: Problem solved. I had a file called nokogiri.rb in my home folder that was intercepting the nokogiri library load.