From owner-freebsd-current Wed Mar 14 6:35:51 2001 Delivered-To: freebsd-current@freebsd.org Received: from nagual.pp.ru (pobrecita.freebsd.ru [194.87.13.42]) by hub.freebsd.org (Postfix) with ESMTP id D7DB537B718 for ; Wed, 14 Mar 2001 06:35:48 -0800 (PST) (envelope-from ache@nagual.pp.ru) Received: (from ache@localhost) by nagual.pp.ru (8.11.3/8.11.3) id f2EEZf573766; Wed, 14 Mar 2001 17:35:41 +0300 (MSK) (envelope-from ache) Date: Wed, 14 Mar 2001 17:35:39 +0300 From: "Andrey A. Chernov" To: David Malone Cc: Christos Zoulas , tcsh-bugs@mx.gw.com, current@FreeBSD.ORG Subject: Re: tcsh 6.10.00 echo;echo;echo; bug with fix Message-ID: <20010314173539.A73652@nagual.pp.ru> References: <20010314155908.A72442@nagual.pp.ru> <200103141410.aa44559@salmon.maths.tcd.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200103141410.aa44559@salmon.maths.tcd.ie>; from dwmalone@maths.tcd.ie on Wed, Mar 14, 2001 at 02:10:06PM +0000 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, Mar 14, 2001 at 14:10:06 +0000, David Malone wrote: > Will it change what happens if you do: > > set null="" > echo $null > > (this produces nothing in "traditional" tcsh and csh)? It will change. > I guess we should leave it up to the tcsh folks. There are other > internal csh commands which behave differently to external commands > (nice and time come to mind). I think it is known that 'echo ""' is > a relatively portable way of printing a blank line. echo is more like as external command, even in its internal form it tends to be compatible even with SysV-isms. What non-BSD grown (i.e. SysV) csh echo prints? -- Andrey A. Chernov http://ache.pp.ru/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message