From owner-freebsd-questions@FreeBSD.ORG Fri Oct 10 17:02:10 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 56E18C8F for ; Fri, 10 Oct 2014 17:02:10 +0000 (UTC) Received: from aegir.dabus.com (aegir.dabus.com [173.14.229.218]) by mx1.freebsd.org (Postfix) with ESMTP id 329F0623 for ; Fri, 10 Oct 2014 17:02:09 +0000 (UTC) Received: from aegir.dabus.com (localhost [127.0.0.1]) by aegir.dabus.com (Processor) with ESMTP id 190385F320 for ; Fri, 10 Oct 2014 10:55:06 -0600 (MDT) DomainKey-Signature: a=rsa-sha1; b=elPzcuDvmRbAxa6RM9j5k3Ct9l/ynHKmzoeXwVLtjNUqFaTIAYobie1g9x0putCv++4T+ujLIVPDNS+asgZa/k//p90EMiCq90yUp8f2PDplmqdmYRSq9AqddUmArIajRQP4+KOT5HY8hSRvrLqJnGxOAKKeptRrvb9mt+WyKwc=; c=nofws; d=dabus.com; q=dns; s=aegir1 Received: from mizar.holyordnance.org (unknown [172.56.6.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by aegir.dabus.com (Dabus) with ESMTPSA id 145B35F2B8 for ; Fri, 10 Oct 2014 10:55:03 -0600 (MDT) Date: Fri, 10 Oct 2014 10:52:49 -0600 From: Eric S Pulley To: FreeBSD Questions Subject: Re: sh man page .... Message-ID: <20141010105249.23b25ada@mizar.holyordnance.org> In-Reply-To: <5437FE3D.8070808@hiwaay.net> References: <5437FB8B.9080008@hiwaay.net> <5437FE3D.8070808@hiwaay.net> Organization: Dabus X-Mailer: Claws Mail 3.10.1 (GTK+ 2.24.22; amd64-portbld-freebsd9.3) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Oct 2014 17:02:10 -0000 > > Well !!!! The sh man page is mute on the fact that an empty string is > an error in arithmetic or logical evaluations, which is an omission > irrespective of what bash does :-). I presume that converting Linux > users to FBSD users is an agenda item here (maybe my error), thus > suitably complete man pages should be an important goal, I would > think. I didn't think converting from Linux to FBSD was/is a bad > habit ;-) .... > > I'm confused, can you ever do arithmetic or logical evaluations on an empty string?... Why have an entry stating the obvious? If all man pages did is state the obvious there wouldn't be room for the important stuff. And then even less people would bother to read them.