From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Wolfgang Jenkner Newsgroups: gmane.emacs.devel Subject: Re: [PATCH] Add shell-quasiquote. Date: Thu, 22 Oct 2015 15:09:11 +0200 Message-ID: <85wpuft5b3.fsf@iznogoud.viz> References: <87si59wj42.fsf@T420.taylan> <87zizdijbp.fsf@T420.taylan> <56267302.7050606@yandex.ru> <87io61igyu.fsf@T420.taylan> <56267CDF.6010201@yandex.ru> <87wpuhh15s.fsf@T420.taylan> <562683B9.1060305@yandex.ru> <83y4exe71v.fsf@gnu.org> <87y4ewoqbs.fsf@fastmail.com> <83si54e2qx.fsf@gnu.org> <87y4ew8fue.fsf@fastmail.com> <83zizcurco.fsf@gnu.org> <87k2qgw3q1.fsf@fastmail.com> <83lhawuny4.fsf@gnu.org> <22055.54617.848927.986392@turnbull.sk.tsukuba.ac.jp> <85a8rcrs8q.fsf@iznogoud.viz> <83fv14ukna.fsf@gnu.org> <854mhkrqwe.fsf@iznogoud.viz> <838u6wujeu.fsf@gnu.org> <85eggnuq9w.fsf@iznogoud.viz> <8737x3m9n1.fsf@ijmp.net> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1445519629 15625 80.91.229.3 (22 Oct 2015 13:13:49 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 22 Oct 2015 13:13:49 +0000 (UTC) Cc: random832@fastmail.com, Eli Zaretskii , stephen@xemacs.org, emacs-devel@gnu.org To: Jeff Clough Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Oct 22 15:13:39 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZpFgO-0003K3-EG for ged-emacs-devel@m.gmane.org; Thu, 22 Oct 2015 15:13:28 +0200 Original-Received: from localhost ([::1]:59776 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZpFgN-0003C0-Se for ged-emacs-devel@m.gmane.org; Thu, 22 Oct 2015 09:13:27 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42024) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZpFg9-0003Bs-PL for emacs-devel@gnu.org; Thu, 22 Oct 2015 09:13:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZpFg4-0005QT-NX for emacs-devel@gnu.org; Thu, 22 Oct 2015 09:13:13 -0400 Original-Received: from b2bfep16.mx.upcmail.net ([62.179.121.61]:53166) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZpFg4-0005Nv-DK for emacs-devel@gnu.org; Thu, 22 Oct 2015 09:13:08 -0400 Original-Received: from edge11.upcmail.net ([192.168.13.81]) by b2bfep16.mx.upcmail.net (InterMail vM.8.01.05.18 201-2260-151-151-20140610) with ESMTP id <20151022131306.JPHD9629.b2bfep16-int.chello.at@edge11.upcmail.net> for ; Thu, 22 Oct 2015 15:13:06 +0200 Original-Received: from iznogoud.viz ([91.119.234.155]) by edge11.upcmail.net with edge id YDD41r0413MqLgz0BDD5Vq; Thu, 22 Oct 2015 15:13:06 +0200 X-SourceIP: 91.119.234.155 Original-Received: from wolfgang by iznogoud.viz with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1ZpFg0-0000Ye-JS; Thu, 22 Oct 2015 15:13:04 +0200 Mail-Followup-To: Jeff Clough , Eli Zaretskii , random832@fastmail.com, stephen@xemacs.org, emacs-devel@gnu.org User-Agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/25.0.50 (berkeley-unix) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 62.179.121.61 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:192380 Archived-At: On Thu, Oct 22 2015, Jeff Clough wrote: > While dash is a variant of a variant of the Bourne shell, can we > say with reasonable certainty that those variations don't impact > shell-quote-argument? That a backslash quotes any following character (except newlines) seems to be true since the Thompson shell, cf. http://v6shell.org/ I've played around a bit with (the FreeBSD port of) sh6 from the site above using (defun test--shell-quote-argument (arg &optional shell) (let* ((shell-file-name (or shell shell-file-name)) (qarg (shell-quote-argument arg)) (cmd (format "printf %%s %s" qarg)) (res (shell-command-to-string cmd))) (list (string-equal arg res) arg qarg res))) The only problem seems to be with newlines, unsurprisingly: (test--shell-quote-argument "\n" "sh6") ==> (nil " " "' '" "syntax error ")