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=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 22309 invoked from network); 22 Jun 2021 16:25:55 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 22 Jun 2021 16:25:55 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 472209C7F0; Wed, 23 Jun 2021 02:25:52 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id AB27E9C5FE; Wed, 23 Jun 2021 02:25:34 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="key not found in DNS" (0-bit key; secure) header.d=mail.malbolge.net header.i=@mail.malbolge.net header.b="ppPBakdy"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 9CA529C5FE; Wed, 23 Jun 2021 02:25:33 +1000 (AEST) Received: from poseidon.malbolge.net (hera.malbolge.net [185.232.68.32]) by minnie.tuhs.org (Postfix) with ESMTPS id 89C089C5F8 for ; Wed, 23 Jun 2021 02:25:31 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; s=_domainkey; bh=xfQVsTVOY IdwBLCzxzU077jd3lR3oCO05B8D1uXx+fU=; h=references:in-reply-to:subject: cc:to:from:date; d=mail.malbolge.net; b=ppPBakdyQC8/XTVmiwE4lIicJJ40Lq 2qCLnQR3YReoZsvf93uEUkzv6qceWJYcNMcbx1LEpS3YUwypJt+yD09SzUuILU7TBPezS7 qgftPIb/wD2KWYK9G2JjVUWJG9DfjeHwiUcT1wH9YFRzcWt5rls1X3wUtybG2ZNUA0OdAr g= Received: from hermes.malbolge.net (hermes.malbolge.net [192.168.123.201]) by poseidon.malbolge.net (OpenSMTPD) with ESMTP id 681014ad; Tue, 22 Jun 2021 18:25:28 +0200 (CEST) Received: from moon (hera.malbolge.net [10.0.11.1]) by hermes.malbolge.net (Postfix) with ESMTPSA id EEF3F1BA032; Tue, 22 Jun 2021 18:25:27 +0200 (CEST) Date: Tue, 22 Jun 2021 18:24:12 +0200 From: Michael Siegel To: Chet Ramey Message-ID: <20210622182412.5e3cc586@moon> In-Reply-To: References: <20210621113752.110edede@moon> <202106210957.15L9vpZu004496@freefriends.org> <04536d5b-a6dd-4900-80de-4efc6824aa68@case.edu> <20210621164315.1587cffe@moon> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [TUHS] Arithmetic expansion in Unix shells 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: , Cc: tuhs@minnie.tuhs.org Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Am Mon, 21 Jun 2021 10:48:18 -0400 schrieb Chet Ramey : > On 6/21/21 10:43 AM, Michael Siegel wrote: > > So, in other words, POSIX shell (meaning the shell described in the > > standard as it has been released) had double-parentheses arithmetic > > evaluation from the start? > > From the first published version of the standard, yes. Thanks. This will spare me from putting yet another footnote into my little review of rc(1). -- Michael