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Build up of many eww buffers

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  Build up of many eww buffers Matto Fransen <mattof@sdf.org> - 2023-04-20 22:17 +0200
    Re: Build up of many eww buffers Ralf Fassel <ralfixx@gmx.de> - 2023-04-21 10:33 +0200
      Re: Build up of many eww buffers Matto Fransen <matto@tradesystem.nl> - 2023-04-25 14:46 +0200
    Re: Build up of many eww buffers Manuel Giraud <manuel@ledu-giraud.fr> - 2023-04-21 13:26 +0200
      Re: Build up of many eww buffers Matto Fransen <matto@tradesystem.nl> - 2023-04-25 14:52 +0200

#60748 — Build up of many eww buffers

Hi,

To keep up with my RSS feeds, I use Gnus together with the
brilliant service of gwene.org.

I use eww as my standard browser.

Links from the gwene messages are opened in eww. When I am
done with such a page, I use 'q' in eww to quit the webpage
and revert to the message-list.

After such a session I end up with a lot of eww buffers,
labeled *eww*<2>, *eww*<3>, and so on.

- Is there a way to prevent the build-up of those buffers?
- Is there a way to quickly close all of the eww-buffers?
- Should I change my workflow?

Best regards,

Matto

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#60749

* Matto Fransen <mattof@sdf.org>
| After such a session I end up with a lot of eww buffers,
| labeled *eww*<2>, *eww*<3>, and so on.
>
| - Is there a way to prevent the build-up of those buffers?
| - Is there a way to quickly close all of the eww-buffers?

Here is what I use to get rid of unchanged buffers.
It should be easily adapted to kill only *eww* buffers:

    ;; Kill any unchanged buffers
    (defconst kill-unchanged-buffers-dont-kill
      (list (regexp-quote "*scratch*")
            (regexp-quote "*info*")
            (regexp-quote "*Async Shell Command*")
            )
      "List of buffer names regexps which should NOT be killed by `kill-unchanged-buffers'.
    The regexps are anchored against beginning of buffer name.")

    ;; modified from a suggestion by Ralph Finch
    (defun kill-unchanged-buffers ()
      "Kill all unchanged buffers."
      (interactive)
      (let ((list (buffer-list)) (count 0))
        (while list
          (let* ((buffer (car list))
                 (name (buffer-name buffer)))
            (and (not (string-equal name ""))
                 (not (delq nil (mapcar (lambda (elt) (string-match (concat "\\`" elt) name))
                        kill-unchanged-buffers-dont-kill)))
                 (/= (aref name 0) ? )
                 (if (buffer-modified-p buffer)
                    nil (kill-buffer buffer) (setq count (1+ count)))))
          (setq list (cdr list)))
        (message "Killed %d %s." count (if (/= count 1) "buffers" "buffer"))))

I have bound it on C-x C-k.

    (global-set-key "\C-x\C-k"	'kill-unchanged-buffers)


HTH
R'

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#60760

Hi Ralf,

sorry, was a few days off-line

On 21 April 2023 10:33 Ralf Fassel, wrote:
> * Matto Fransen <mattof@sdf.org>
> | After such a session I end up with a lot of eww buffers,
> | labeled *eww*<2>, *eww*<3>, and so on.
>>
> | - Is there a way to prevent the build-up of those buffers?
> | - Is there a way to quickly close all of the eww-buffers?
>
> Here is what I use to get rid of unchanged buffers.
> It should be easily adapted to kill only *eww* buffers:
>
>     ;; Kill any unchanged buffers
>     (defconst kill-unchanged-buffers-dont-kill
[ ... ]

This looks to be will be very helpful !
I will try it and let you know :)

Thanks a lot,

Matto

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#60750

Matto Fransen <mattof@sdf.org> writes:

[...]

Hi Matto,

> - Is there a way to prevent the build-up of those buffers?

You'd have to look for how eww is called here because by default "M-x
eww" is re-using *eww*

> - Is there a way to quickly close all of the eww-buffers?

There is "M-x eww-list-buffers" where you could "C-k" those buffers.

> - Should I change my workflow?

… or modify Emacs: nobody has definitive answer to this question yet ;-)
-- 
Manuel Giraud

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#60761

Hi Manuel,

sorry, was a few days offline

On 21 April 2023 13:26 Manuel Giraud, wrote:
>
>> - Is there a way to prevent the build-up of those buffers?
>
> You'd have to look for how eww is called here because by default "M-x
> eww" is re-using *eww*

this is a part from the code:

    (pop-to-buffer (generate-new-buffer "*eww*"))
    (eww-mode)
    (eww url-to-open)
  
>> - Is there a way to quickly close all of the eww-buffers?
>
> There is "M-x eww-list-buffers" where you could "C-k" those buffers.

Cool :)
Will try this out!

>> - Should I change my workflow?
>
> … or modify Emacs: nobody has definitive answer to this question yet ;-)

He he :)

Thanks a lot,

Matto

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