From: wroxdb <wroxdb@...>
Date: 2010-11-01T14:18:14+09:00
Subject: Re: gems install failed

>> what's the purpose of  require 'rubygems'?
>> I found that if I didn't require rubygems then require cassandra will get fail.
>
> In the version of Ruby you're using, the rubygems module is not loaded
> by default.  Without rubygems loaded, the require method does not know
> how to find your gems when you try to require them.  Ruby 1.9 loads
> rubygems by default, so it's optional to do so there.
>
> If you don't want to explicitly require rubygems in your script, you can
> also set an environment variable named RUBYOPT as follows to cause your
> version of Ruby to load it automatically:
>
> export RUBYOPT=-rubygems
>
> Keep in mind that this environment variable would have to be set any
> time you want to run your script with Ruby 1.8.
>
> -Jeremy
>


OK Thanks a lot.