From owner-freebsd-questions@freebsd.org Tue Jan 31 19:05:10 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0035ACCA6D1 for ; Tue, 31 Jan 2017 19:05:10 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mailrelay10.qsc.de (mailrelay10.qsc.de [212.99.163.152]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.antispameurope.com", Issuer "TeleSec ServerPass DE-2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 67408AAC for ; Tue, 31 Jan 2017 19:05:08 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mx01.qsc.de ([213.148.129.14]) by mailrelay10.qsc.de; Tue, 31 Jan 2017 20:05:07 +0100 Received: from r56.edvax.de (port-92-195-126-61.dynamic.qsc.de [92.195.126.61]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx01.qsc.de (Postfix) with ESMTPS id 75F6A3CC5C; Tue, 31 Jan 2017 20:04:59 +0100 (CET) Received: from r56.edvax.de (localhost [127.0.0.1]) by r56.edvax.de (8.14.5/8.14.5) with SMTP id v0VJ4xqJ003058; Tue, 31 Jan 2017 20:04:59 +0100 (CET) (envelope-from freebsd@edvax.de) Date: Tue, 31 Jan 2017 20:04:59 +0100 From: Polytropon To: galtsev@kicp.uchicago.edu Cc: byrnejb@harte-lyne.ca, "James B. Byrne via freebsd-questions" Subject: Re: Variable assignment in sh Message-Id: <20170131200459.aaeaa5e6.freebsd@edvax.de> In-Reply-To: <33925.128.135.52.6.1485886909.squirrel@cosmo.uchicago.edu> References: <20170131161824.a9f1ef46.freebsd@edvax.de> <20170131185103.7f911dfb.freebsd@edvax.de> <33925.128.135.52.6.1485886909.squirrel@cosmo.uchicago.edu> Reply-To: Polytropon Organization: EDVAX X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-cloud-security-sender: freebsd@edvax.de X-cloud-security-recipient: freebsd-questions@freebsd.org X-cloud-security-Virusscan: CLEAN X-cloud-security-disclaimer: This E-Mail was scanned by E-Mailservice on mailrelay10.qsc.de with A4312683450 X-cloud-security-connect: mx01.qsc.de[213.148.129.14], TLS=1, IP=213.148.129.14 X-cloud-security: scantime:.2015 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2017 19:05:10 -0000 On Tue, 31 Jan 2017 12:21:49 -0600 (CST), Valeri Galtsev wrote: > > On Tue, January 31, 2017 11:51 am, Polytropon wrote: > > On Tue, 31 Jan 2017 12:11:49 -0500, James B. Byrne via freebsd-questions > > wrote: > >> > >> On Tue, January 31, 2017 10:18, Polytropon wrote: > >> > On Tue, 31 Jan 2017 10:06:37 -0500, James B. Byrne via > >> > freebsd-questions wrote: > >> >> Why am I getting this result when I attempt a simple variable > >> >> assignment in the default sh? > >> >> > >> >> # ENV=$HOME/.shrc; export ENV > >> >> ENV=/root/.shrc: Command not found. > >> >> export: Command not found. > >> >> > >> >> This example is taken verbatim from the sh manpage provided with > >> >> FreeBSD. > >> > > >> > This looks like you're running a sh command inside csh. > >> > Note that the C shell (FreeBSD's default interactive shell) > >> > does variable assignments differently: > >> > > >> > setenv ENV /root/.shrc > >> > > >> > set FOO = 1 > >> > > >> > See "man csh" for details. > >> > > >> > The command you've presented looks like it would belong into > >> > a shell script (FreeBSD's default scripting shell)... > >> > > >> > >> I note that root is configured in FreeBSD with a default shell of > >> /bin/csh and that the user toor has no default shell specified at all > >> notwithstanding having a Real Name of 'Bourne-again Superuser'. I > >> checked several of our FreeBSD hosts and all have the same > >> configuration for root and toor so I infer that this is how FreeBSD is > >> shipped. > > > > That is correct. The user toor has no shell assigned per > > default ("inactive user"), and root, as well as all other > > users, default to the C shell as the login shell (which > > typically is an interactive shell). > > Regular users do not default to csh, but to sh if you don't specify > particular shell on "pw adduser" command. Yes, that is right, but I didn't notice because I usually use "preconfigured wrappers" to user account creation. The inter- active "adduser" program can also have defaults for csh in its configuration file, like "pw useradd -s " can do. -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...