From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#44753: 27.1; arc-mode does not extract marked files Date: Fri, 20 Nov 2020 13:50:33 +0200 Message-ID: <83wnygz1py.fsf@gnu.org> References: <87zh3c4soy.fsf@delllaptop.lockywolf.net> <831rgo1mex.fsf@gnu.org> <87sg94ied8.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6383"; mail-complaints-to="usenet@ciao.gmane.io" Cc: lockywolf@gmail.com, 44753@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Nov 20 12:51:15 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1kg4wd-0001XQ-Fc for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 20 Nov 2020 12:51:15 +0100 Original-Received: from localhost ([::1]:41554 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kg4wc-0004T6-39 for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 20 Nov 2020 06:51:14 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41860) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kg4wQ-0004Sx-GN for bug-gnu-emacs@gnu.org; Fri, 20 Nov 2020 06:51:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:58894) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kg4wQ-0007Bw-8E for bug-gnu-emacs@gnu.org; Fri, 20 Nov 2020 06:51:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kg4wQ-0007Gx-7K for bug-gnu-emacs@gnu.org; Fri, 20 Nov 2020 06:51:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 20 Nov 2020 11:51:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44753 X-GNU-PR-Package: emacs Original-Received: via spool by 44753-submit@debbugs.gnu.org id=B44753.160587305427941 (code B ref 44753); Fri, 20 Nov 2020 11:51:02 +0000 Original-Received: (at 44753) by debbugs.gnu.org; 20 Nov 2020 11:50:54 +0000 Original-Received: from localhost ([127.0.0.1]:42207 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kg4wI-0007Ga-FW for submit@debbugs.gnu.org; Fri, 20 Nov 2020 06:50:54 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:41740) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kg4wH-0007GP-4q for 44753@debbugs.gnu.org; Fri, 20 Nov 2020 06:50:53 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:52913) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kg4wB-00078C-R3; Fri, 20 Nov 2020 06:50:47 -0500 Original-Received: from [176.228.60.248] (port=1439 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kg4wB-0005tT-49; Fri, 20 Nov 2020 06:50:47 -0500 In-Reply-To: <87sg94ied8.fsf@gnus.org> (message from Lars Ingebrigtsen on Fri, 20 Nov 2020 10:09:23 +0100) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:193780 Archived-At: > From: Lars Ingebrigtsen > Cc: Vladimir Nikishkin , 44753@debbugs.gnu.org > Date: Fri, 20 Nov 2020 10:09:23 +0100 > > Eli Zaretskii writes: > > > We need first to add a capability to extract archive members to files. > > This was added to the trunk in August. You are right, I forgot about that, sorry. However, the implementation of archive-copy-file doesn't seem to be easily scalable to what Vladimir requested. It is also sub-optimal (to say the least) to extract files by going through a temporary buffer, since every archive type has some way of extracting files directly. If nothing else, this will cause serious problems with encoding, especially when several files are extracted at once that happen to be encoded differently. And the speed will also be much slower than if we use the archiver program to do the extraction.