GNU bug report logs - #66224
[PATCH] Add optional PREDICATE argument to read-directory-name

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Package: emacs;

Reported by: Joseph Turner <joseph <at> breatheoutbreathe.in>

Date: Wed, 27 Sep 2023 01:20:02 UTC

Severity: wishlist

Tags: patch

Fixed in version 31.1

Done: Stefan Kangas <stefankangas <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Joseph Turner <joseph <at> breatheoutbreathe.in>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 66224 <at> debbugs.gnu.org, philipk <at> posteo.net
Subject: bug#66224: [PATCH] Add optional PREDICATE argument to read-directory-name
Date: Wed, 04 Oct 2023 18:34:30 -0700

Michael Heerdegen <michael_heerdegen <at> web.de> writes:

> Joseph Turner via "Bug reports for GNU Emacs, the Swiss army knife of
> text editors" <bug-gnu-emacs <at> gnu.org> writes:
>
>> I'm not sure what you mean. In both of the following examples, PREDICATE
>> is used to narrow the completion candidates to only empty directories:
>>
>> (read-directory-name "Prompt: " "~/" nil t nil #'directory-empty-p)
>> (read-directory-name "Prompt: " "~/" nil nil nil #'directory-empty-p)
>
> In the second version also non-empty directories will be accepted.

Yes, PREDICATE narrows the completion candidates but doesn't determine a
valid return value.
This bug report was last modified 158 days ago.

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