From: Ryan Davis <ryand-ruby@...>
Date: 2013-02-27T04:09:49+09:00
Subject: Re: Does 'gem list' go by .gemspec only?

Iirc it uses the spec files in gem_path/specifications.

Why manually delete?

On Feb 26, 2013, at 10:53, Ron Lipke <lists@ruby-forum.com> wrote:

> Hello, Ruby beginner here trying to learn as much as I can.
> 
> Does `gem list` use the GEM_PATH to find the actual install folders or
> does it just look for the .gemspec files?
> 
> I've noticed if I delete a gem's install folder manually and run `gem
> list`, it will still show up in the list, but trying to use the gem in
> anyway (including `gem uninstall`) returns an error until I delete the
> associated .gemspec file as well.  After that, the gem will no longer
> show up in `gem list`.
> 
> Thanks in advance for any clarification.
> 
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> Posted via http://www.ruby-forum.com/.
>