From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#27982: 25.1.50; expand-file-name docstring on how to traverse the filesystem Date: Sun, 06 Aug 2017 19:53:57 +0300 Message-ID: <83r2wotz6i.fsf@gnu.org> References: <87tw1lkjt8.fsf@members.fsf.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1502038520 27406 195.159.176.226 (6 Aug 2017 16:55:20 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 6 Aug 2017 16:55:20 +0000 (UTC) Cc: 27982@debbugs.gnu.org To: Nicolas Richard Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Aug 06 18:55:16 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1deOpf-0006rJ-E5 for geb-bug-gnu-emacs@m.gmane.org; Sun, 06 Aug 2017 18:55:15 +0200 Original-Received: from localhost ([::1]:33808 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1deOpl-0006Mf-ND for geb-bug-gnu-emacs@m.gmane.org; Sun, 06 Aug 2017 12:55:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55158) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1deOpV-0006LL-3x for bug-gnu-emacs@gnu.org; Sun, 06 Aug 2017 12:55:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1deOpS-0007H4-1n for bug-gnu-emacs@gnu.org; Sun, 06 Aug 2017 12:55:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:42246) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1deOpR-0007Gy-UM for bug-gnu-emacs@gnu.org; Sun, 06 Aug 2017 12:55:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1deOpR-0002m3-NH for bug-gnu-emacs@gnu.org; Sun, 06 Aug 2017 12:55:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 06 Aug 2017 16:55:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 27982 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 27982-submit@debbugs.gnu.org id=B27982.150203845610600 (code B ref 27982); Sun, 06 Aug 2017 16:55:01 +0000 Original-Received: (at 27982) by debbugs.gnu.org; 6 Aug 2017 16:54:16 +0000 Original-Received: from localhost ([127.0.0.1]:44923 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1deOoi-0002kt-9U for submit@debbugs.gnu.org; Sun, 06 Aug 2017 12:54:16 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:35708) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1deOog-0002kh-GW for 27982@debbugs.gnu.org; Sun, 06 Aug 2017 12:54:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1deOoY-0006ux-5f for 27982@debbugs.gnu.org; Sun, 06 Aug 2017 12:54:09 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:42502) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1deOoY-0006uo-1o; Sun, 06 Aug 2017 12:54:06 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3248 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1deOoU-0006Vx-TR; Sun, 06 Aug 2017 12:54:05 -0400 In-reply-to: <87tw1lkjt8.fsf@members.fsf.org> (message from Nicolas Richard on Sun, 06 Aug 2017 13:38:32 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:135505 Archived-At: > From: Nicolas Richard > Date: Sun, 06 Aug 2017 13:38:32 +0200 > > The docstring of expand-file-name suggest > (directory-file-name (file-name-directory dirname)) > to traverse a directory No, it only suggests that as a more reliable alternative to (expand-file-name ".." dirname) > This looks wrong to me, e.g. > (list current-directory > (directory-file-name (file-name-directory current-directory))) > => ("/home/youngfrog/" "/home/youngfrog") This is not the use case against which the doc string tries to warn, Thanks.