% find .gem -name "development.log" .gem/ruby/2.3.0/gems/factory_girl_rails-4.8.0/tmp/aruba/testapp/log/development.log .gem/ruby/2.3.0/gems/factory_girl_rails-4.9.0/tmp/aruba/testapp/log/development.log .gem/ruby/2.3.0/gems/nested_form-0.3.2/spec/dummy/log/development.log