D4C

Easy add options to Rails console
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• Rails >= 5.1.0 Application

Add this line to your application's Gemfile:

gem 'd4c'

And then execute:

$ bundle

Or install it yourself as:

$ gem install d4c

Add option in config/application.rb

# frozen_string_literal: true

require_relative 'boot'

require 'rails/all'

Bundler.require(*Rails.groups)

D4C::Console.add_option 'hello' do
  puts "hello"
end

module YourRailsApplication
  class Application < Rails::Application

You need to put D4C::Console.add_option before first Rails::Application. see also: https://guides.rubyonrails.org/configuring.html

you can set option description

D4C::Console.add_option 'hello', 'say hello!' do
  puts "hello"
end

$rails c -h
Running via Spring preloader in process 13861
Usage:
  bin/rails console [environment] [options]

Options:
  -e, [--environment=ENVIRONMENT]  # Specifies the environment to run this console under (test/development/production).
  -s, [--sandbox], [--no-sandbox]  # Rollback database modifications on exit.
      [--hello], [--no-hello]      # say hello

Bug reports and pull requests are welcome on GitHub at https://github.com/QWYNG/d4c. 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.