From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2A83C433E6 for ; Fri, 29 Jan 2021 18:57:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5DD2D64E12 for ; Fri, 29 Jan 2021 18:57:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232804AbhA2S5g (ORCPT ); Fri, 29 Jan 2021 13:57:36 -0500 Received: from ns.simtreas.ru ([94.25.26.30]:52022 "EHLO ns.simtreas.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230249AbhA2S5V (ORCPT ); Fri, 29 Jan 2021 13:57:21 -0500 Received: from dzo.ulttk.ru (IDENT:1000@dzo-home-tun.ufk68.roskazna.local [192.168.68.4]) by ns.simtreas.ru (8.14.2/8.14.2) with ESMTP id 10TIuZHx019236 for ; Fri, 29 Jan 2021 22:56:35 +0400 To: dash@vger.kernel.org From: "Vladimir N. Oleynik" Subject: single_quote patch Organization: Ulyanovsk Treasury Message-ID: <695d664f-98dc-17be-9bec-55250391e296@simtreas.ru> Date: Fri, 29 Jan 2021 22:56:37 +0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.5.1 MIME-Version: 1.0 Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0.1 (ns.simtreas.ru [94.25.26.30]); Fri, 29 Jan 2021 22:56:35 +0400 (SAMT) Precedence: bulk List-ID: X-Mailing-List: dash@vger.kernel.org Hello. I rewrote (next version vs send to Herbert) single_quote() for do not confusing in debug mode, more funny showvars and showalias and allow the printf "%q" directive. Before patch $ ./dash-0.5.11.3 -x $ foo () { local a=" b"; ls "$1"; [ -z "$1" ]; } $ c=" x" foo + c= x foo + local a= b + ls ls: cannot access '': No such file or directory + [ -z ] After patch $ ./dash-0.5.11.3.my -x $ foo () { local a=" b"; ls "$1"; [ -z "$1" ]; } $ c=" x" foo + c=' x' foo + local a=' b' + ls '' ls: cannot access '': No such file or directory + '[' -z '' ']' Before patch : $ a= b="a'b" c=a/b + a= b=a'b c=a/b $ set +x; set | grep '^[abc]=' a='' b='a'"'"'b' c='a/b' $ printf "%q\n" "a'b" dash: 32: printf: %q: invalid directive After patch $ a= b="a'b" c=a/b + a= b="a'b" c=a/b $ set +x; set | grep '^[abc]=' a= b="a'b" c=a/b $ printf "%q\n" "a.b" "a'b" a.b "a'b" The patch placed: ftp://simtreas.ru/pub/my/dash/single_quote_diff.txt.gz (I can not send this patch to maillist - message dropped) --w vodz