gem-prune
Keep your local gem installation from growing wild.
Installation
$ gem install gem-prune
Usage
# keep the latest sinatra
$ gem keep sinatra
# keep the latest rails and one from the 2.3 series
$ gem keep rails
$ gem keep rails -v "~> 2.3.0"
# remove unwanted gems
$ gem prune
License
MIT License
Copyright
Copyright (c) 2010 David Dollar. See LICENSE for details.