Community

RuboCop is a Ruby code style checker based on the community-driven Ruby Style Guide.

Support

RuboCop supports MRI 1.9+, JRuby and Rubinius in 1.9+ modes.

Install

RuboCop's installation is pretty standard:

$ gem install rubocop

Usage

Running rubocop with no arguments will check all Ruby source files in the current directory:

$ rubocop

Alternatively you can rubocop a list of files and directories to check:

$ rubocop app spec lib/something.rb

Use -h for available command-line options.