awesome thanks.

On Mon, Jul 10, 2017 at 3:18 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> From: Filipe Silva <filipe.silva@gmail.com>
> Date: Mon, 10 Jul 2017 15:15:02 -0300
> Cc: James Cloos <cloos@jhcloos.com>, Emacs developers <emacs-devel@gnu.org>
>
> Eli, is there a way to disable line numbers, but just for somem modes?
>
> Or better, to enable line numbers, only for certain types of modes or filetypes?

The variable display-line-numbers is buffer-local, so you can set it
to a non-nil value in a mode hook.  Do that for major modes which
correspond to files in which you want the line numbers, and don't turn
on the mode globally.