From: Harald Hanche-Olsen <hanche@math.ntnu.no>
To: ams@gnu.org
Cc: emacs-devel@gnu.org
Subject: Re: (file-exists-p "") --> t??
Date: Mon, 27 Apr 2009 14:28:25 +0200 (CEST) [thread overview]
Message-ID: <20090427.142825.960840171362457236.hanche@math.ntnu.no> (raw)
In-Reply-To: <E1LyPkj-00074Y-2L@fencepost.gnu.org>
+ "Alfred M. Szmidt" <ams@gnu.org>:
> I guess that makes sense, I am actually fiine with the behaviour,
> other than it is annoying when you use file-exists-p in a loop, and
> you start of with a empty string...
>
> (let ((foo ""))
> (while (not (file-exists-p foo))
> (setq foo (generate-foo-some-how))))
Ah, I see.
(let (foo)
(while (not (file-exists-p (setq foo (generate-foo-some-how)))))
(do-something-with-existing-file foo))
- Harald
prev parent reply other threads:[~2009-04-27 12:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-27 12:08 (file-exists-p "") --> t?? Alfred M. Szmidt
2009-04-27 12:12 ` Harald Hanche-Olsen
2009-04-27 12:16 ` Alfred M. Szmidt
2009-04-27 12:25 ` Deniz Dogan
2009-04-29 10:00 ` Alfred M. Szmidt
2009-04-27 12:28 ` Harald Hanche-Olsen [this message]
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