From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 9fddc9bc for ; Mon, 6 Jan 2020 22:51:12 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 71B199BBD8; Tue, 7 Jan 2020 08:51:11 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id A77429BB67; Tue, 7 Jan 2020 08:50:42 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 3097B9BB66; Tue, 7 Jan 2020 08:50:39 +1000 (AEST) Received: from viclamta12p.bpe.bigpond.com (viclamta12p.bpe.bigpond.com [203.38.21.76]) by minnie.tuhs.org (Postfix) with ESMTPS id 0C9379BB4A for ; Tue, 7 Jan 2020 08:50:37 +1000 (AEST) Received: from smtp.telstra.com ([10.10.26.4]) by viclafep12p-svc.bpe.nexus.telstra.com.au with ESMTP id <20200106225035.BBYI6815.viclafep12p-svc.bpe.nexus.telstra.com.au@smtp.telstra.com> for ; Tue, 7 Jan 2020 09:50:35 +1100 X-RG-Spam: Unknown X-RazorGate-Vade: gggruggvucftvghtrhhoucdtuddrgedufedrvdehuddgtdegucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuuffpveftpgfvgffnuffvtfetpdfqfgfvnecuuegrihhlohhuthemucegtddtnecunecujfgurhepfffhvffujgfkfhgfgggtsehttddttddtredvnecuhfhrohhmpeffrghvvgcujfhorhhsfhgrlhhluceouggrvhgvsehhohhrshhfrghllhdrohhrgheqnecukfhppeduuddtrddugedurdduleefrddvfeefnecurfgrrhgrmhephhgvlhhopegrnhgvuhhrihhnrdhhohhrshhfrghllhdrohhrghdpihhnvghtpeduuddtrddugedurdduleefrddvfeefpdhmrghilhhfrhhomhepoegurghvvgeshhhorhhsfhgrlhhlrdhorhhgqedprhgtphhtthhopeeothhuhhhssehtuhhhshdrohhrgheqnecuvehluhhsthgvrhfuihiivgeptd X-RazorGate-Vade-Verdict: clean 0 X-RazorGate-Vade-Classification: clean X-RG-VS-CLASS: clean Received: from aneurin.horsfall.org (110.141.193.233) by smtp.telstra.com (5.8.418) id 5DF700CC037E9F70 for tuhs@tuhs.org; Tue, 7 Jan 2020 09:50:35 +1100 Received: from aneurin.horsfall.org (localhost [127.0.0.1]) by aneurin.horsfall.org (8.15.2/8.15.2) with ESMTP id 006MoYUI073968 for ; Tue, 7 Jan 2020 09:50:34 +1100 (EST) (envelope-from dave@horsfall.org) Received: from localhost (dave@localhost) by aneurin.horsfall.org (8.15.2/8.15.2/Submit) with ESMTP id 006MoX55073965 for ; Tue, 7 Jan 2020 09:50:34 +1100 (EST) (envelope-from dave@horsfall.org) X-Authentication-Warning: aneurin.horsfall.org: dave owned process doing -bs Date: Tue, 7 Jan 2020 09:50:33 +1100 (EST) From: Dave Horsfall To: The Eunuchs Hysterical Society In-Reply-To: <202001060630.0066U7U7023760@cuzuco.com> Message-ID: References: <202001060630.0066U7U7023760@cuzuco.com> User-Agent: Alpine 2.21.9999 (BSF 287 2018-06-16) X-GPG-Public-Key: http://www.horsfall.org/gpgkey.pub X-GPG-Fingerprint: 05B4 FFBC 0218 B438 66E0 587B EF46 7357 EF5E F58B X-Home-Page: http://www.horsfall.org/ X-Witty-Saying: "chmod 666 the_mode_of_the_beast" MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Subject: Re: [TUHS] # (was Re: sh: cmd | >file) X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On Mon, 6 Jan 2020, Brian Walden wrote: > csh(1) was wrtten around 1978 and yes # as a comment was only for > scrtipts, think it was why would you need to comment interactively? Why would you *not* want to? You've just made "#" asymmetric in its behaviour; in the meantime the parser just sees an unescaped "#" and ignores everything after that, without regard to context. You might also be using "script" e.g. script blah blah # Now here I do something funky *really* funky stuff ^D [...] > Also before you say wait! ALGOL uses # as comment and is older than > Kernighan' ratfor(1). [...] Funny; I recall ALGOL using "comment ... ;" or was that ALGOLW (which I loved using; I wish I still had my ALGOLW book)? -- Dave