Add this line to your application's Gemfile:

gem 'extension_lister'

And then execute:

$ bundle

Or install it yourself as:

$ gem install extension_lister

• List all extension from a current directory (recursively)

extension_lister

For typical ruby project like (e.g. this gem), we should get something like:

.gem
.gemspec
.lock
.md
.rb

• List all extension from a given directory

extension_lister -b ~/Downloads

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request