From: Eugen Ciur <ciur.eugen@...>
Date: 2011-05-02T16:26:31+09:00
Subject: Re: LoadPath and require confusion, please explain

When you do require/load ruby will use $GEM_PATH also to look for
available gems. in your irb check output for ENV['GEM_PATH'] it should
show correct location where your 'arel' gem is.
$LOAD_PATH comes with ruby interpreter, but $GEM_PATH is set by rvm (to
be used for gem utility).
Besides, there is also $GEM_HOME, that var also comes into play when
searching for gems.

Check your environment variables with 'env' bash command.

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