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=-0.7 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,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 ad6dec3b for ; Sat, 4 Jan 2020 21:39:55 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 9BCF39B511; Sun, 5 Jan 2020 07:39:54 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 7C63395170; Sun, 5 Jan 2020 07:39:29 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=bsdimp-com.20150623.gappssmtp.com header.i=@bsdimp-com.20150623.gappssmtp.com header.b="pYGFJP2C"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id AFEFA9516B; Sun, 5 Jan 2020 07:39:26 +1000 (AEST) Received: from mail-qt1-f173.google.com (mail-qt1-f173.google.com [209.85.160.173]) by minnie.tuhs.org (Postfix) with ESMTPS id E195C95165 for ; Sun, 5 Jan 2020 07:39:25 +1000 (AEST) Received: by mail-qt1-f173.google.com with SMTP id j5so39579116qtq.9 for ; Sat, 04 Jan 2020 13:39:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=kJliA8Ep6rWM7ABAjth2drA8vqvTCbZpVtAatKxFaVs=; b=pYGFJP2CR+a0O0AqEKh1sMiNPQJAVpnM7i6EG1aEmj1cFbHj7aFtJtpVlxAZShOSeo KVpclEYGhiJD8iu+ZujOPefHj0kLT2nVqpj+xNBPbR8kMCKuJlnAi6S5HaYxbUwGZkKG hTzrs2olk4FP5jJ1NU2sl9+bpTTayQSzgVze0vW3E5AaRGd4Hsvw75aYCBvtV9bfamfj y1ONuigSe+fWpWWDkjitqTUZE3c7UaIu5OeYF8/xKcYyJZbqWzrxtY0dzy1PcCD63WNe Ha67n+0ysvo5G8pRQc3wbUeftmlKLzEPEc+75KIe92i1JS6yg/LEBsoQscXCYzj5y3qv rEjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=kJliA8Ep6rWM7ABAjth2drA8vqvTCbZpVtAatKxFaVs=; b=fX0ua1IVwsSdAtdGc6jbaWN7TV1QZ0GTzDJGOyQRUgbCTku0YPDFmfxwTliHyYCCVK hUQzyYz0PGnIwAsUPjlkOG2HmfXoMHsxbrUDr3pAeP/FrA0qQXzmpQhszc7PlEwQHgg9 l0yEsPEFCPpRLVjDrZLFAxOVI1ZYJ8Yyelc7R6lBj3GgYMKMgcgM/L4cLQk59DG7nUWD OsgB3LYgI9l00ErCz2oxfr9VqB+ccWG6bhEvk83awXtzImxqKSGTPPGWJwC43TTmWOfb g/+q6yZJWE6eI2AijPsoe8yQrOKsFDQ2AoRnHUvM2rGLG27Tl/BxaQgUEqZYbgpjnZp/ 3rEA== X-Gm-Message-State: APjAAAXZDwo42NVza4yxVaLLXVfeXjOUHK6M20ANW+hRcML2disxHFtW 1/usQ+kfBGDu4YwwtheIZb4BQ5Us3euwxnd0wYwtdyEh X-Google-Smtp-Source: APXvYqwnwH6DqhZBrESHX8arcfyB9N7U3BO+orqpnVK0xFz7/ODod9Ai6MXlx6WO0UAo0dfzbGcBiVo0keWGp2M7lvg= X-Received: by 2002:ac8:21ec:: with SMTP id 41mr70266670qtz.242.1578173964658; Sat, 04 Jan 2020 13:39:24 -0800 (PST) MIME-Version: 1.0 References: <202001040258.0042wuic1359237@mail.cs.dartmouth.edu> <1ingL0-5g6-00@marmaro.de> In-Reply-To: From: Warner Losh Date: Sat, 4 Jan 2020 15:39:12 -0600 Message-ID: To: Dave Horsfall Content-Type: multipart/alternative; boundary="0000000000008ebd5f059b5742d3" Subject: Re: [TUHS] 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: , Cc: The Eunuchs Hysterical Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --0000000000008ebd5f059b5742d3 Content-Type: text/plain; charset="UTF-8" On Sat, Jan 4, 2020, 3:11 PM Dave Horsfall wrote: > On Sun, 5 Jan 2020, Dave Horsfall wrote: > > > The Unix philosophy, perhaps i.e. keep it simple? Why have ":" (an > > actual internal Shell command) when "" (the null command) will do the > > job? > > Also, remember that ":" was also used as a comment, before "#" was used. > I thought it was a null label for a goto target... :) Warner -- Dave > --0000000000008ebd5f059b5742d3 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Sat, Jan 4, 2020, 3:11 PM Dave Horsfall <dave@horsfall.org> wrote:
On Sun, 5 Jan 2020, Dave Horsfall wrote:

> The Unix philosophy, perhaps i.e. keep it simple?=C2=A0 Why have "= ;:" (an
> actual internal Shell command) when "" (the null command) wi= ll do the
> job?

Also, remember that ":" was also used as a comment, before "= #" was used.

<= div dir=3D"auto">I thought it was a null label for a goto target... :)

Warner

-- Dave
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