Re: Refer to the directory of the currently being loaded elisp script from within the Emacs lisp file itself.

[Óscar Fuentes]

Hongyi Zhao <hongyi.zhao@gmail.com> writes:

> expand-file-name: Wrong type argument: stringp, nil
>
> On Thu, Jun 10, 2021 at 11:34 PM Eli Zaretskii <eliz@gnu.org> wrote:
>>
>> > From: Hongyi Zhao <hongyi.zhao@gmail.com>
>> > Date: Thu, 10 Jun 2021 23:02:04 +0800
>> >
>> > (load-file (concat (file-name-directory load-file-name) "/auth.el.gpg"))
>>
>> Instead of 'concat', use 'expand-file-name'.
>
> I tried with the following:
>
> (load-file (expand-file-name (file-name-directory load-file-name)
> "/auth.el.gpg"))
>
> But meet the same error as the suggested method by Óscar Fuentes:
>
> expand-file-name: Wrong type argument: stringp, nil

Eli is suggesting this:

(load-file (expand-file-name "auth.el.gpg"
                             (file-name-directory load-file-name)))