Syntax to skip creating tests, assets & helpers for `rails generate controller`?
Try using --no- followed by optionname:
rails generate controller home index --no-helper --no-assets --no-controller-specs --no-view-specs
If you want to change the default behavior every time you run the generator command, you can configure the defaults you would like in the application.rb file - see How can I make sure Rails doesn't generate spec tests for views and helpers?.
To turn off without having to add options:
# application.rb
config.generators.assets = false
config.generators.helper = false