From: David Kastrup <dak@gnu.org>
Subject: Re: Number of open buffers?
Date: 21 Nov 2003 00:40:25 +0100 [thread overview]
Message-ID: <x5n0aqip7a.fsf@lola.goethe.zz> (raw)
In-Reply-To: ?fnord?u3cci64ko.fsf@ID-97657.usr.dfncis.de
lawrence mitchell <wence@gmx.li> writes:
> David Kastrup wrote:
>
> [...]
>
> > Wel, if we want to squeeze characters of source, we can do so without
> > cl, too.
>
> > (defun get-number-of-file-buffers ()
> > (apply '+ (mapcar (lambda(x)(if(buffer-file-name x)1 0)) (buffer-list))))
>
> I see your apply and raise you a:
>
> (defun get-number-of-file-buffers ()
> (length (delq nil (mapcar 'buffer-file-name (buffer-list)))))
I was looking for something like that, but the delq escaped me.
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum
next prev parent reply other threads:[~2003-11-20 23:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bpilkc$pq1$0@pita.alt.net>
2003-11-20 16:19 ` Number of open buffers? Eli Zaretskii
[not found] ` <mailman.342.1069348789.399.help-gnu-emacs@gnu.org>
[not found] ` <bpirf4$8ee$2@pita.alt.net>
2003-11-20 18:10 ` Micah Cowan
[not found] ` <bpja4e$89m$1@pita.alt.net>
2003-11-20 21:15 ` David Kastrup
2003-11-20 21:50 ` lawrence mitchell
2003-11-20 22:14 ` David Kastrup
2003-11-20 22:46 ` lawrence mitchell
2003-11-20 23:40 ` David Kastrup [this message]
2003-11-20 22:42 ` Johan Bockgård
2003-11-20 21:43 ` Lucas
[not found] ` <mailman.369.1069368465.399.help-gnu-emacs@gnu.org>
[not found] ` <bplam3$nrj$1@pita.alt.net>
2003-11-21 15:36 ` David Kastrup
2003-11-21 15:52 ` Stefan Monnier
2003-11-21 20:21 ` Lucas
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