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POMultiple installs of Ruby -- how to solve in OS X
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  1. POMultiple installs of Ruby -- how to solve in OS X
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    copied!<p>I'm having problems with Ruby scripts finding the right gems. It seems this is related to having multiple installs of Ruby on my system. OS X already comes with Ruby but it's not the latest one. I upgraded from Snow Leopard to Lion and suddenly have all these instances of the rubygems folders:</p> <pre class="lang-none prettyprint-override"><code> /Developer/SDKs/MacOSX10.6.sdk/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems /Developer/SDKs/MacOSX10.7.sdk/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems /Library/Ruby/Gems/1.8/gems/rubygems-update-1.8.11/lib/rubygems /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/rubygems /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems /Users/[user_name]/.rvm/repos/ruby/lib/rubygems </code></pre> <p>I installed the graph gem with <code>gem install</code> and I can't seem to find it in any of these locations. irb finds it when I do a <code>require</code> but a ruby script saved and run from the CLI produces the error:</p> <blockquote> <p>'require': no such file to load</p> </blockquote> <p>Another clue is that when running <code>rails server</code> I often see output from <code>/Library/Ruby/Gems/1.8/gems/</code></p> <p>But the graph gem doesn't seem to be in that path either. </p> <p>So, yes a big mess. Any help to safely simplify this and remove the redundant instances would be greatly appreciated.</p> <p><strong>Update:</strong></p> <p>Was able to track the installed gems to: <code>/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/lib/ruby/user-gems/1.8/gems</code></p> <p>So should I just delete everything else with a <code>rm -rf</code>? I'd hate to do that and cause all sorts of dependency problems. Ultimately I'd like to end up with a clean system with only one ruby install but I cannot wipe out my hard drive. </p>
 

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