I think you must require 'rubygems' after 'active_support'.

On 1/15/07, Nathan Smith <nlloyds / gmail.com> wrote:
> On 1/14/07, Jamis Buck <jamis / 37signals.com> wrote:
> >
> > David,
> >
> > Those are not standard Ruby methods. They are defined in the Rails
> > ActiveSupport library, and thus can only be accessed from within Rails
> > applications (or other applications that explicitly require
> > ActiveSupport).
> >
> > - Jamis
> >
> >
> >
> >
> You can still use ActiveSupport without Rails. Just
>
> gem install ActiveSupport
>
> and then require 'active_support' in your program and pluralize away!
>
> Nate
>
>