Re: Instruct emacs --batch to wait for something

[Marcin Borkowski]

On 2021-11-17, at 17:41, Rodrigo Morales <moralesrodrigo1100@gmail.com> wrote:

> I'm trying to use Emacs as a tool for getting the text representation of
> a website. For doing this, I'm using "eww" and I've written the
> following command that I intend to use in the command line.
>
> #+begin_src bash
> emacs \
>   --batch \
>   --eval='(eww 
> "https://www.gnu.org/software/emacs/manual/html_node/emacs/Intro.html";)' \
>   --eval='(with-current-buffer "*eww*" (princ (buffer-string)))'
> #+end_src
>
> The problem with this command is that it shows the following instead of
> showing the website.
>
> #+RESULTS:
> #+begin_example
> Loading 
> https://www.gnu.org/software/emacs/manual/html_node/emacs/Intro.html...
> #+end_example
>
> My question is: How can I instruct Emacs to wait for something when the
> =--batch= flag is used?

I don't know, but did you try something blunt like
--eval='(sleep-for 5)'?
Of course, this would be very fragile and far from good practice...
Alternatively, maybe `eww-after-render-hook' would be useful?

Hth,

-- 
Marcin Borkowski
http://mbork.pl