From owner-freebsd-current@FreeBSD.ORG  Fri Jun  1 23:50:06 2012
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 24161106564A
	for <freebsd-current@freebsd.org>; Fri,  1 Jun 2012 23:50:06 +0000 (UTC)
	(envelope-from peter@rulingia.com)
Received: from vps.rulingia.com (host-122-100-2-194.octopus.com.au
	[122.100.2.194])
	by mx1.freebsd.org (Postfix) with ESMTP id 9E8348FC0A
	for <freebsd-current@freebsd.org>; Fri,  1 Jun 2012 23:50:05 +0000 (UTC)
Received: from server.rulingia.com (c220-239-254-65.belrs5.nsw.optusnet.com.au
	[220.239.254.65])
	by vps.rulingia.com (8.14.5/8.14.5) with ESMTP id q51Nno9r058651
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK);
	Sat, 2 Jun 2012 09:49:52 +1000 (EST)
	(envelope-from peter@rulingia.com)
X-Bogosity: Ham, spamicity=0.000000
Received: from server.rulingia.com (localhost.rulingia.com [127.0.0.1])
	by server.rulingia.com (8.14.5/8.14.5) with ESMTP id q51NnfOK088469
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);
	Sat, 2 Jun 2012 09:49:41 +1000 (EST)
	(envelope-from peter@server.rulingia.com)
Received: (from peter@localhost)
	by server.rulingia.com (8.14.5/8.14.5/Submit) id q51NnfG2088468;
	Sat, 2 Jun 2012 09:49:41 +1000 (EST) (envelope-from peter)
Date: Sat, 2 Jun 2012 09:49:41 +1000
From: Peter Jeremy <peter@rulingia.com>
To: Dmitry Marakasov <amdmi3@amdmi3.ru>, freebsd-current@freebsd.org
Message-ID: <20120601234940.GB56049@server.rulingia.com>
References: <20120527140541.GL2987@hades.panopticon>
	<20120528094427.GE2675@aspire.rulingia.com>
	<20120528195542.GB85856@hades.panopticon>
	<20120528200403.GB15356@server.rulingia.com>
	<20120528221825.GB38860@hades.panopticon>
	<20120530032703.GA99357@server.rulingia.com>
	<20120531212042.GA43155@server.rulingia.com>
	<20120601185024.GP10094@acme.spoerlein.net>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="ZPt4rx8FFjLCG7dd"
Content-Disposition: inline
In-Reply-To: <20120601185024.GP10094@acme.spoerlein.net>
X-PGP-Key: http://www.rulingia.com/keys/peter.pgp
User-Agent: Mutt/1.5.21 (2010-09-15)
Cc: 
Subject: Re: OptionalObsoleteFiles.inc completeness
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 01 Jun 2012 23:50:06 -0000


--ZPt4rx8FFjLCG7dd
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On 2012-Jun-01 20:50:24 +0200, Ulrich Sp=F6rlein <uqs@FreeBSD.org> wrote:
>Why is xargs even calling /bin/echo when "utility" is not specified.

Because that's what it's documented as doing.

>Shouldn't it just print a certain number of arguments (one in this
>case)?

The current approach is simpler - there's always "utility" and it
defaults to "/bin/echo".  Therefore xargs can just always fork/exec.
I agree that special-casing the default to have xargs print the
relevant number of arguments would be more efficient.

--=20
Peter Jeremy

--ZPt4rx8FFjLCG7dd
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.19 (FreeBSD)

iEYEARECAAYFAk/JVRQACgkQ/opHv/APuIcsugCdFmu4rKXwu/RBzSSeDVN4/4ds
JkQAoMHzcHr3Gp8myetB/vsFI5j1seMg
=Dy3G
-----END PGP SIGNATURE-----

--ZPt4rx8FFjLCG7dd--