From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: file-equal-p Date: Fri, 17 Feb 2023 14:17:48 +0100 Message-ID: <87r0uo5t37.fsf@igel.home> References: <87a61es8fh.fsf.ref@yahoo.com> <87a61es8fh.fsf@yahoo.com> <87v8k06247.fsf@igel.home> <83ilg01nst.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7665"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) Cc: rms@gnu.org, luangruo@yahoo.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Feb 17 14:18:38 2023 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pT0dK-0001nJ-Fa for ged-emacs-devel@m.gmane-mx.org; Fri, 17 Feb 2023 14:18:38 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pT0ce-0001mJ-Po; Fri, 17 Feb 2023 08:17:56 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pT0cd-0001lx-3y for emacs-devel@gnu.org; Fri, 17 Feb 2023 08:17:55 -0500 Original-Received: from mail-out.m-online.net ([212.18.0.9]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pT0cb-0007JR-9D; Fri, 17 Feb 2023 08:17:54 -0500 Original-Received: from frontend03.mail.m-online.net (unknown [192.168.6.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4PJC6P6GY0z1r1NY; Fri, 17 Feb 2023 14:17:49 +0100 (CET) Original-Received: from localhost (dynscan3.mnet-online.de [192.168.6.84]) by mail.m-online.net (Postfix) with ESMTP id 4PJC6P4Xdfz1qqlR; Fri, 17 Feb 2023 14:17:49 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan3.mail.m-online.net [192.168.6.84]) (amavisd-new, port 10024) with ESMTP id ulIyMYSXxEl4; Fri, 17 Feb 2023 14:17:48 +0100 (CET) X-Auth-Info: uKBoHw+FFMSTlPch8+4q8v3BIIoro1R+jlV348Ccs4dlcUwUYF1zA8DobUbeYOtP Original-Received: from igel.home (aftr-82-135-86-224.dynamic.mnet-online.de [82.135.86.224]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 17 Feb 2023 14:17:48 +0100 (CET) Original-Received: by igel.home (Postfix, from userid 1000) id 97C662C1CBD; Fri, 17 Feb 2023 14:17:48 +0100 (CET) X-Yow: I guess it was all a DREAM.. or an episode of HAWAII FIVE-O... In-Reply-To: <83ilg01nst.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 17 Feb 2023 14:25:38 +0200") Received-SPF: pass client-ip=212.18.0.9; envelope-from=whitebox@nefkom.net; helo=mail-out.m-online.net X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:303476 Archived-At: On Feb 17 2023, Eli Zaretskii wrote: > That depends on the semantics of "files are equal". If the issue is > only whether two file names point to the same file's data, then yes, > using file-attribute-file-identifier is TRT. But that is not the only > possible semantics of these tests. What are those other semantics? -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."