From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: file-exists-p on empty string Date: Wed, 27 Feb 2019 20:16:45 -0500 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="160579"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Feb 28 02:18:03 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gzAKo-000fer-NP for ged-emacs-devel@m.gmane.org; Thu, 28 Feb 2019 02:18:02 +0100 Original-Received: from localhost ([127.0.0.1]:53315 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gzAKn-00027c-ME for ged-emacs-devel@m.gmane.org; Wed, 27 Feb 2019 20:18:01 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:54829) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gzAJz-00027D-Rb for emacs-devel@gnu.org; Wed, 27 Feb 2019 20:17:14 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gzAJy-0004Pc-Tt for emacs-devel@gnu.org; Wed, 27 Feb 2019 20:17:11 -0500 Original-Received: from [195.159.176.226] (port=47172 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gzAJy-0004Hl-Ci for emacs-devel@gnu.org; Wed, 27 Feb 2019 20:17:10 -0500 Original-Received: from list by blaine.gmane.org with local (Exim 4.89) (envelope-from ) id 1gzAJf-000ePt-Gk for emacs-devel@gnu.org; Thu, 28 Feb 2019 02:16:51 +0100 X-Injected-Via-Gmane: http://gmane.org/ Cancel-Lock: sha1:4/iEpWgP/38ZJn+CKBTZDIxy1MQ= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:233688 Archived-At: > But what to do with `file-name-directory` function, which returns `nil` to > empty string, It also returns `nil` for "a" or ".". That's just its way to say "there is no directory part in this file name". So it seems completely consistent with file-exists-p returning t for "". Stefan