GNU bug report logs - #43375
26.1: file-directory-p returns t for empty string

Previous Next

Package: emacs;

Reported by: Boruch Baum <boruch_baum <at> gmx.com>

Date: Sun, 13 Sep 2020 12:48:02 UTC

Severity: minor

Tags: fixed

Found in version 26.1

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

Full log

Message #20 received at 43375 <at> debbugs.gnu.org (full text, mbox):

From: Boruch Baum <boruch_baum <at> gmx.com>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: 43375 <at> debbugs.gnu.org
Subject: Re: bug#43375: 26.1: file-directory-p returns t for empty string
Date: Sun, 13 Sep 2020 10:39:43 -0400

On 2020-09-13 15:06, Andreas Schwab wrote:
> On Sep 13 2020, Boruch Baum wrote:
>
> > I was expecting the follow to return nil, but it returns t
> >
> >   (file-directory-p "")
>
> This is not a bug, as Emacs always works with expanded and canonicalized
> file names (the result of applying expand-file-name).

Then the docstring could be clearer and say "Return t if the expansion
of FILENAME names an existing directory" instead of simply the current
"Return t if FILENAME names an existing directory". Would that be an
acceptable change?

--
hkp://keys.gnupg.net
CA45 09B5 5351 7C11 A9D1  7286 0036 9E45 1595 8BC0
This bug report was last modified 4 years and 250 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.