From: Rob Biedenharn <Rob@...>
Date: 2009-03-19T21:55:22+09:00
Subject: Re: force gem to use a given version of library

On Mar 19, 2009, at 4:30 AM, Edouard Dantes wrote:

> hi,
>
> i have to install a gem and force it to use a given version of two
> installed library, (removing the older will trash my system)
>
> how can i tell gem to use the version i want?
>
> thanks
> --  
> Posted via http://www.ruby-forum.com/.

require 'rubygems'
gem 'htmlentities', '=4.0.0'
gem 'builder', '~> 2.0'


See http://rubygems.org/read/chapter/4
and http://rubygems.org/read/chapter/16

Except any time you read "require_gem" just mentally change that to  
"gem"

-Rob

Rob Biedenharn		http://agileconsultingllc.com
Rob@AgileConsultingLLC.com