rails routes command flags

TIL about helpful flags built-in to the rails routes task.

-g

allows you to grep the output and filter for any routes that partially match the URL helper method name, the HTTP verb, or the URL path.

---

Example: rails routes -g new_comment rails routes -g POST rails routes -g admin

-c

allows you to filter output by controller name.

---

Example: rails routes -c users rails routes -c admin/users rails routes -c Posts rails routes -c Devise::Sessions

--expanded

makes the output easier to view in smaller terminals.

---

Example: rails routes --expanded

--unused

lists routes that are "unused" in your application. An "unused" route in Rails is a route that is defined in the config/routes.rb file but is not referenced by any controller action or view in your application

---

Example: rails routes --unused

Rails guide source