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 3c83132a for ; Mon, 20 Jan 2020 23:56:06 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 1E76B9C154; Tue, 21 Jan 2020 09:56:05 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id E210D9C0FD; Tue, 21 Jan 2020 09:55:51 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id AC8959C0FD; Tue, 21 Jan 2020 09:55:49 +1000 (AEST) Received: from central.weird.com (unknown [198.96.117.51]) by minnie.tuhs.org (Postfix) with ESMTP id E741B9BFE6 for ; Tue, 21 Jan 2020 09:55:48 +1000 (AEST) Received: from (invalid client hostname: bind: DNS error: DNS lookup for A for 'more.local': Unknown host)more.local ((no PTR matching greeting name)S01060026bb6c284e.ok.shawcable.net[24.71.254.93] port=48499) by central.weird.com([198.96.117.51] port=587) via TCP with esmtp (3221 bytes) (sender: ) (ident using UNIX) id for ; Mon, 20 Jan 2020 18:55:48 -0500 (EST) (Smail-3.2.0.122-Pre 2005-Nov-17 #77 built 2019-Dec-29) Received: from (invalid client hostname: the DNS A record (with the targegt address [10.0.1.129]) for the hostname 'more.local' does not match the expected address [10.0.1.129])more.local ((no PTR matching greeting name)future.local[10.0.1.133] port=59658) by more.local([10.0.1.129] port=25) via TCP with esmtp (2711 bytes) (sender: ) id for ; Mon, 20 Jan 2020 15:55:47 -0800 (PST) (Smail-3.2.0.122-Pre 2005-Nov-17 #1 built 2015-Feb-17) Message-Id: Date: Mon, 20 Jan 2020 15:55:47 -0800 From: "Greg A. Woods" To: The Unix Heritage Society mailing list In-Reply-To: <1itSE0-5Td-00@marmaro.de> References: <1itSE0-5Td-00@marmaro.de> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?ISO-8859-4?Q?Goj=F2?=) APEL/10.8 EasyPG/1.0.0 Emacs/25.3 (x86_64--netbsd) MULE/6.0 (HANACHIRUSATO) X-Face: ; j3Eth2XV8h1Yfu*uL{<:dQ$#E[DB0gemGZJ"J#4fH*][ lz; @-iwMv_u\6uIEKR0KY"=MzoQH#CrqBN`nG_5B@rrM8,f~Gr&h5a\= List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: The Unix Heritage Society mailing list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --pgp-sign-Multipart_Mon_Jan_20_15:55:44_2020-1 Content-Type: text/plain; charset=US-ASCII At Mon, 20 Jan 2020 09:15:56 +0100, markus schnalke wrote: Subject: Re: [TUHS] Shell Level... > > What's the use of it? The only use of $SHLVL I can think of is the > answer to the question if ^D will close the last shell or just a > sub shell. I hardly ever ask myself this question. Probably that > starts to become relevant when you open sub shells frequently. I've always just used "set ignoreeof" (first in Csh and later in Ksh), but just in my initial login shell (i.e. set in ~/.login), to prevent ^D from logging me out. -- Greg A. Woods Kelowna, BC +1 250 762-7675 RoboHack Planix, Inc. Avoncote Farms --pgp-sign-Multipart_Mon_Jan_20_15:55:44_2020-1 Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit Content-Description: OpenPGP Digital Signature -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQTWEnAIIlcZX4oAawJie18UwlnHhQUCXiY+AgAKCRBie18UwlnH ha/iAKDXA42iK1f6puMXyMox1WbhfE0v+QCfddsdd9W7uAMvUtLVCKysoswTDmA= =ewGe -----END PGP SIGNATURE----- --pgp-sign-Multipart_Mon_Jan_20_15:55:44_2020-1--