From: apeiros <apeiros@...>
Date: 2008-04-14T04:56:30+09:00
Subject: Re: Check if library available?

Am 13.04.2008 um 20:17 schrieb Trans:
> Hi--
>
> Is there any way to detect if a library is available without actually
> loading it, besides manually searching through $LOAD_PATH one's self?
>
> If not, I'd like to suggest that a method for this be added. It's
> useful in cases where an app depends on an external library, but may
> have alternatives to fall back on, or simply deactivate certain
> functions.

If an app depends on an external library, it can just try to require  
it, and use the fallback in a rescue LoadError clause. You can add
a require_or_fallback or similarly named method to Kernel to do that  
for you if don't like to repeat the code.
Personally I don't see the problem.

Regards
Stefan