From: Paul Lynch <paul@...>
Date: 2006-10-22T08:17:38+09:00
Subject: Re: How to test if a module/gem is installed

On 21 Oct 2006, at 22:23, snacktime wrote:

> Is there a way to test if a particular module/extension/gem is
> installed on the system ruby is running on?

If you know the library name for a require statement, use require and  
trap the LoadError?  Returns true if the require succeeds.

Paul