Cmdlet provides functions across various categories, these functions are implemented using the command pattern style


Add this line to your application's Gemfile:

gem 'cmdlet'

And then execute:

bundle install

Or install it yourself as:

gem install cmdlet


Main Story

As a Developer, I want a variety of common opinionated commands, so that I can access common functionality quickly

See all stories


See all usage examples


Checkout the repo

git clone 

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests.

You can also run bin/console for an interactive prompt that will allow you to experiment.


# => ""

cmdlet is setup with Guard, run guard, this will watch development file changes and run tests automatically, if successful, it will then run rubocop for style quality.

To release a new version, update the version number in version.rb, build the gem and push the .gem file to

rake publish
rake clean


Bug reports and pull requests are welcome on GitHub at This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Cmdlet project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.

Copyright (c) David Cruwys. See MIT License for further details.