From: Tim McNamara <timmcn@bitstream.net>
Subject: Re: elisp question
Date: Thu, 01 Dec 2005 19:02:55 -0600 [thread overview]
Message-ID: <m2wtioxqdc.fsf@Althea.local> (raw)
In-Reply-To: 878xv4o7ps.fsf-monnier+gnu.emacs.help@gnu.org
Stefan Monnier <monnier@iro.umontreal.ca> writes:
>>> (let ((files (directory-files "foo/bar/kaya" 'full "[^.]\\|...")))
>>> (pop-to-buffer (find-file-noselect (nth (random (length files)) files))))
>
>> That looks simpler than what I was thinking, although I'll have to
>> go through it argument by argument to make sure I understand it. I
>> was expecting to have to count the number of files in the
>> directory, then
>
> (length files) counts the number of files.
>
>> use that number as the limit to (random),
>
> Indeed, that's what it does.
>
>> and somehow be able to make (find-files) use the result from (random) as
>> the name of the file to be read into the buffer.
>
> Indeed (nth ... files) selects the randomly chosen file name from the list
> of file names.
Well, there it is. It works well in early testing. Sheesh, it'd have
taken me a month to work up something like that! Thanks lots. Now I
get to go through the elisp manual and learn from the example- and to
populate the data directory with files.
next prev parent reply other threads:[~2005-12-02 1:02 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-30 23:13 elisp question Tim McNamara
2005-11-30 23:22 ` Lennart Borgman
2005-12-01 5:07 ` Stefan Monnier
2005-12-01 19:29 ` Tim McNamara
2005-12-01 21:00 ` Stefan Monnier
2005-12-02 1:02 ` Tim McNamara [this message]
2005-12-02 17:51 ` Kevin Rodgers
2005-12-01 6:24 ` N. Raghavendra
2005-12-01 19:32 ` Tim McNamara
2005-12-01 21:37 ` N. Raghavendra
2005-12-01 23:40 ` Thien-Thi Nguyen
2005-12-02 7:44 ` N. Raghavendra
2005-12-02 14:43 ` Thien-Thi Nguyen
2005-12-02 1:05 ` Tim McNamara
[not found] ` <mailman.17404.1133392955.20277.help-gnu-emacs@gnu.org>
2005-12-01 19:25 ` Tim McNamara
-- strict thread matches above, loose matches on Subject: below --
2009-09-27 14:32 Elisp Question magicus
2009-09-27 15:26 ` Giorgos Keramidas
2009-09-27 17:10 ` magicus
[not found] <mailman.941.1223918781.25473.help-gnu-emacs@gnu.org>
2008-10-13 18:11 ` elisp question Niels Giesen
2008-10-13 19:09 ` Seweryn Kokot
[not found] ` <mailman.948.1223924333.25473.help-gnu-emacs@gnu.org>
2008-10-13 19:40 ` Pascal J. Bourguignon
2008-10-13 20:47 ` Drew Adams
2008-10-13 21:11 ` Seweryn Kokot
2008-10-13 17:36 Seweryn Kokot
2008-04-30 21:23 harven
2008-05-01 13:08 ` Kevin Rodgers
[not found] ` <mailman.11020.1209647315.18990.help-gnu-emacs@gnu.org>
2008-05-01 13:54 ` harven
2008-05-03 15:38 ` Bastien
2003-08-20 7:37 Mike Ballard
2003-08-20 8:07 ` Joakim Hove
2003-08-22 5:52 ` Mike Ballard
2003-08-22 6:38 ` Joakim Hove
2003-08-20 15:07 ` Peter Lee
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