From: Roger Pack <rogerdpack@...>
Date: 2009-08-16T00:31:31+09:00
Subject: Re: ruby 1.9 side by side with 1.8

> I switch to 1.9 with this command: use_ruby_191
>
> I want to install rails (so I can run rake gems:install).  when i type
> sudo gem install rails
> it's installing it but I can't see it in gems list.  the only gem I
> see is rake.
> is there a way to access all my existing gems that works with 1.8?

Nope the gems are kept in separate subdirectories.  You could rename
those directories, but I'd recommend keeping them separate.
For now, I'd recommend doing "gem install" for all your gems in both
versions of ruby.
GL!
-r