From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 27322 invoked from network); 30 Apr 2021 08:17:51 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 30 Apr 2021 08:17:51 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20200801; t=1619770671; b=M5R9ge1Q5HLPkXoz/V95jwQbdj2zPK4O8gD2CU1cfkeIhAkhPnrlBI6Trt8YkGMqmr1yMrhsAt TTj5DUle1/zf+jCdJhchmoGc2uhSNuENIN3B7Mgdz0u1Q+njXZeahRnWTlWeyl3NBsptg8M+A3 G9WnpD4uigyth10Tqg/q2mWCFs5V4vj1m15ran37EE2JOdNmOPNidTuQyIRN3r0O3mfbDTUh9f /KpvDJKLDcxAFrK8EKrxK++YPoF73RvLRRHLBBakl4ytygMHOTzLP2TsoZo0dRABwnXQCiF77O qULYmPBBvNVU+qftB/r/cjMmokrCHGVQ0kvy024N4gRQtg==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (relay2-d.mail.gandi.net) smtp.remote-ip=217.70.183.194; dmarc=none header.from=chazelas.org; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20200801; t=1619770671; bh=X8TXY04H4TJjYl0vHgYQ+4hUYdTXoc0DiurlrCxjC2k=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:To:From:Date:DKIM-Signature; b=l3oij8xuEa+GnBlq/0ZhFMFWN7HFiaA0JNFa8O+fSnHni1qJc+0osGnEjPK2QDQJM8IDmV8r87 mBd7seDCuF1ZXvBmPNYZVfGuKMdWeumF0pja54+IB0Nu7Vsgat/i9rqhRquyr9XiXITjD9KBcr HvErFPq96FLrIhfhB2kRL28OBt09CxgborvzBt4nVMzyKjhgeEj9FfcgxxWwa6D7kwQH7M06eB Xd0rv5+5aWnHOnJFHc3ywBrZv1fVWA29OKy0ZQoY0JFl7WI4sAORgATySdheHqew4FF2oUGVmS y63b8luWaD58OTA4DFSgAPcJC96/ZTpHGXLJcBBow5Yriw==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20200801; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:To:From:Date:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=So8DBb+3GkwKAb6AH6uYkVQpg23QINCQL0fny4bdoZk=; b=gOK8xnMksK3c5vv+9hIJsf6jCv uZ72kEtyBFmqDIN9cZiMVDySTOzuInw/m5vFnede+GwiQMLWqJK+VRDZYGFznXwQphM0rw1yd1Wrd 8WMsnJzP9PO1zVdTtFNlbz/o8YbFI6WBi/SjmDeH0PylA1j8Hx4NnyGOaAaPXClqYgdUL2VzauQgo 7/qXcDij8S+k2hvVk2IFSsvgdao/5U2YGNIyc96HGbXCxu87nsRD1o4GlqSkI2Lj4Q+swa+N7003g uO1WORjFGuC3a1om9eWIup/wZoy0tDOtpLDji332TKC+X5UEg4YBdXweG2J5RyAr1IKKgZ8EvRTRf ywW57LGw==; Received: from authenticated user by zero.zsh.org with local id 1lcOLP-000Cnn-0j; Fri, 30 Apr 2021 08:17:51 +0000 Authentication-Results: zsh.org; iprev=pass (relay2-d.mail.gandi.net) smtp.remote-ip=217.70.183.194; dmarc=none header.from=chazelas.org; arc=none Received: from relay2-d.mail.gandi.net ([217.70.183.194]:46077) by zero.zsh.org with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) id 1lcOKs-000CYE-J8; Fri, 30 Apr 2021 08:17:19 +0000 X-Originating-IP: 90.215.204.106 Received: from chazelas.org (unknown [90.215.204.106]) (Authenticated sender: stephane@chazelas.org) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id C82554000A for ; Fri, 30 Apr 2021 08:17:17 +0000 (UTC) Date: Fri, 30 Apr 2021 09:17:16 +0100 From: Stephane Chazelas To: Zsh hackers list Subject: tilde expansion after quoted : in assignments Message-ID: <20210430081716.vlez4jbb7c72vorf@chazelas.org> Mail-Followup-To: Zsh hackers list References: <20210430065123.zjq2mpanmtbkkgfl@chazelas.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210430065123.zjq2mpanmtbkkgfl@chazelas.org> X-Seq: 48749 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: 2021-04-30 07:51:23 +0100, Stephane Chazelas: [...] > BTW, zsh is the only shell where ~ is expanded in: > > $ zsh -c 'a=a\:~; echo $a' > a:/home/chazelas [...] That's a POSIX non-conformance btw: https://pubs.opengroup.org/onlinepubs/9699919799.2018edition/utilities/V3_chap02.html#tag_18_06_01 Tilde expansion is only meant to be done after unquoted : per POSIX. Though I can't imagine being a problem in practice. If people don't want tilde expansion, they'd quote the ~, not the :. Also, there's a lot of variation between shells in how tilde expansion is done and the specification is quite vague there. See also ~$user or ~"user" or var=foo$COLON~ or var=foo${-+:}~ ... See also https://www.austingroupbugs.net/view.php?id=1172 (I had completely forgotten I'd raised that). -- Stephane