From: Casimir <pikEISPAMMMseli@...>
Date: 2007-11-20T20:55:00+09:00
Subject: Re: require functionality

Junkone kirjoitti:
> hello
> can i verify if a library is loaded before doing a require 'library'.
> if so how.
> thanks in advance
As far as I know the very nature of 'require' is such that if it fails 
to include the required file or library, the whole program will halt.

The predefined variable $" contains the module names loaded by require.

See http://ruby.about.com/od/learnruby/ss/require_load_2.htm

Csmr