From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: concat vs format Date: Sun, 09 Dec 2018 09:15:25 -0500 Message-ID: References: <6038B67F-98A7-42B9-8486-97DB99D63033@gmail.com> <4A03F880-46F5-47AA-BFA9-7CA09FB9D7AA@gmail.com> <87bm5vaqe1.fsf@mail.de> <957DD078-6F45-487F-84AA-09E2C54F5B9A@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1544364846 22196 195.159.176.226 (9 Dec 2018 14:14:06 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 9 Dec 2018 14:14:06 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Dec 09 15:14:02 2018 Return-path: Envelope-to: geh-help-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 1gVzqJ-0005aS-50 for geh-help-gnu-emacs@m.gmane.org; Sun, 09 Dec 2018 15:13:59 +0100 Original-Received: from localhost ([::1]:55610 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gVzsP-0001dG-Hn for geh-help-gnu-emacs@m.gmane.org; Sun, 09 Dec 2018 09:16:09 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52420) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gVzrs-0001cv-Ja for help-gnu-emacs@gnu.org; Sun, 09 Dec 2018 09:15:37 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gVzrp-0005ty-H7 for help-gnu-emacs@gnu.org; Sun, 09 Dec 2018 09:15:36 -0500 Original-Received: from [195.159.176.226] (port=52242 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gVzrp-0005tW-8J for help-gnu-emacs@gnu.org; Sun, 09 Dec 2018 09:15:33 -0500 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1gVzpg-0004qk-7Y for help-gnu-emacs@gnu.org; Sun, 09 Dec 2018 15:13:20 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 13 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:7nzSASCo+LhGR9WJF92b/zo/kV8= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:118934 Archived-At: > (cssRoot (concat siteRoot "css/" (format-time-string "%Y" myToday) "/")) BTW, it's recommended to use `expand-file-name` instead of `concat` to combine a directory name and a relative file name. E.g. (cssRoot (file-name-as-directory (expand-file-name (format-time-string "%Y" myToday) (expand-file-name "css" siteRoot)))) -- Stefan