GNU bug report logs - #28258
26.0.50; [PATCH] Let file-name-base succeed when buffer-file-name is nil

Previous Next

Full log

Message #14 received at 28258 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Mohammed Sadiq <sadiq <at> sadiqpk.org>
Cc: 28258 <at> debbugs.gnu.org
Subject: Re: bug#28258: 26.0.50;
 [PATCH] Let file-name-base succeed when buffer-file-name is nil
Date: Tue, 29 Aug 2017 13:02:31 -0400

Mohammed Sadiq wrote:

>> IIUC: file-name-base currently errors when called with no applicable
>> file name, and you want it to instead return nil? This seems rather
>> unusual for an Emacs file-related function. I would have thought this
>> unlikely to be applied, but maybe you could explain why you want it?
>
> The signature of `file-name-base' is (file-name-base &optional FILENAME).
> That is, the FILENAME argument is optional. So I believe it shouldn't
> be an error to not give the optional argument. And so calling the function
> in a buffer with no file associated shouldn't be an error. I'm not sure
> if my assertion is right.

Thanks for explaining. I don't think I agree, but then the fact that the
argument is optional and defaults to buffer-file-name also seems
atypical to me (eg I don't think any other file-name- functions behaves
like that). Let's wait and see if anyone else feels strongly one way or
the other.

Previous Next

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