GNU bug report logs - #36490
26.1; directory-files-recursively breaks when it encounters a directory named "~"

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Package: emacs;

Reported by: Erik Hahn <erik_hahn <at> gmx.de>

Date: Wed, 3 Jul 2019 18:09:01 UTC

Severity: minor

Tags: confirmed, fixed

Found in version 26.1

Fixed in version 27.1

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

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: larsi <at> gnus.org
Cc: 36490 <at> debbugs.gnu.org, erik_hahn <at> gmx.de
Subject: bug#36490: 26.1; directory-files-recursively breaks when it encounters a directory named "~"
Date: Tue, 09 Jul 2019 19:52:52 +0300

> Date: Tue, 09 Jul 2019 19:44:31 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 36490 <at> debbugs.gnu.org, erik_hahn <at> gmx.de
> 
> What happens if a function that iterates over a directory finds a
> subdirectory whose name is literally "~"?

Sorry, that's not what I meant to say.  I meant to say how would a
Lisp program know whether (expand-file-name "~/") means the home
directory or a directory whose name is literally "~"?

Btw, stuff like (expand-file-name "foo/~/") already does what you
want, so the problem is only with the leading '~', and can be avoided
if we avoid that situation.  IOW, why should this example:

  (expand-file-name "~" "/tmp/")
     => "/home/larsi"

determine how directory-files-recursively behaves?
This bug report was last modified 5 years and 315 days ago.

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