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=-1.0 required=5.0 tests=MAILING_LIST_MULTI
	autolearn=ham autolearn_force=no version=3.4.4
Received: (qmail 406 invoked from network); 17 Sep 2021 10:11:08 -0000
Received: from minnie.tuhs.org (45.79.103.53)
  by inbox.vuxu.org with ESMTPUTF8; 17 Sep 2021 10:11:08 -0000
Received: by minnie.tuhs.org (Postfix, from userid 112)
	id 20A159CAC8; Fri, 17 Sep 2021 20:11:04 +1000 (AEST)
Received: from minnie.tuhs.org (localhost [127.0.0.1])
	by minnie.tuhs.org (Postfix) with ESMTP id A7E309CAB5;
	Fri, 17 Sep 2021 20:10:32 +1000 (AEST)
Received: by minnie.tuhs.org (Postfix, from userid 112)
 id 472479CAB3; Fri, 17 Sep 2021 20:10:30 +1000 (AEST)
Received: from marmaro.de (marmaro.de [176.28.23.198])
 by minnie.tuhs.org (Postfix) with ESMTP id B52919CAB2
 for <tuhs@minnie.tuhs.org>; Fri, 17 Sep 2021 20:10:29 +1000 (AEST)
Received: by marmaro.de (masqmail 0.3.6-dev, from userid 1000)
 id 1mRApA-0wG-00; Fri, 17 Sep 2021 12:10:28 +0200
To: Rob Pike <robpike@gmail.com>
In-reply-to: <CAKzdPgyos3psLGBiVde3M0OkpR2FW7483+5NFnM0XX316Cp_4g@mail.gmail.com>
References: <1mR9bE-8RG-00@marmaro.de>
 <CAKzdPgyos3psLGBiVde3M0OkpR2FW7483+5NFnM0XX316Cp_4g@mail.gmail.com>
User-Agent: meillo's mail handler (mmh)
X-License: CC0 (http://marmaro.de/rights)
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <3611.1631873428.1@marmaro.de>
Content-Transfer-Encoding: quoted-printable
Date: Fri, 17 Sep 2021 12:10:28 +0200
From: markus schnalke <meillo@marmaro.de>
Message-ID: <1mRApA-0wG-00@marmaro.de>
Subject: Re: [TUHS] RegExp decision for meta characters: Circumflex
X-BeenThere: tuhs@minnie.tuhs.org
X-Mailman-Version: 2.1.26
Precedence: list
List-Id: The Unix Heritage Society mailing list <tuhs.minnie.tuhs.org>
List-Unsubscribe: <https://minnie.tuhs.org/cgi-bin/mailman/options/tuhs>,
 <mailto:tuhs-request@minnie.tuhs.org?subject=unsubscribe>
List-Archive: <http://minnie.tuhs.org/pipermail/tuhs/>
List-Post: <mailto:tuhs@minnie.tuhs.org>
List-Help: <mailto:tuhs-request@minnie.tuhs.org?subject=help>
List-Subscribe: <https://minnie.tuhs.org/cgi-bin/mailman/listinfo/tuhs>,
 <mailto:tuhs-request@minnie.tuhs.org?subject=subscribe>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Errors-To: tuhs-bounces@minnie.tuhs.org
Sender: "TUHS" <tuhs-bounces@minnie.tuhs.org>

Hoi.

[2021-09-17 11:32] Rob Pike <robpike@gmail.com>
>
> You'd have to ask ken why he chose the characters he did, but I can answe=
r the
> second question. The beginning and end of line are the same. If you make =
^ mean
> both beginning and end of line, what does this ed command do:
> =

> s/^/x/
> =

> Which end gets the x?

Perfect answer! I just never thought about replacing. *oops*
Now that's obvious. ;-)


meillo