From owner-freebsd-ports@FreeBSD.ORG Sun Mar 27 07:36:39 2011 Return-Path: Delivered-To: freebsd-ports@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 08F2A106566C; Sun, 27 Mar 2011 07:36:39 +0000 (UTC) (envelope-from perryh@pluto.rain.com) Received: from agora.rdrop.com (agora.rdrop.com [IPv6:2607:f678:1010::34]) by mx1.freebsd.org (Postfix) with ESMTP id DDABA8FC15; Sun, 27 Mar 2011 07:36:38 +0000 (UTC) Received: from agora.rdrop.com (66@localhost [127.0.0.1]) by agora.rdrop.com (8.13.1/8.12.7) with ESMTP id p2R7abdq088962 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sun, 27 Mar 2011 00:36:37 -0700 (PDT) (envelope-from perryh@pluto.rain.com) Received: (from uucp@localhost) by agora.rdrop.com (8.13.1/8.12.9/Submit) with UUCP id p2R7ab2m088961; Sun, 27 Mar 2011 00:36:37 -0700 (PDT) Received: from fbsd61 by pluto.rain.com (4.1/SMI-4.1-pluto-M2060407) id AA20680; Sat, 26 Mar 11 23:26:33 PST Date: Sun, 27 Mar 2011 00:26:23 -0700 From: perryh@pluto.rain.com To: dougb@freebsd.org Message-Id: <4d8ee69f.sDPKG5fISx5FNrmy%perryh@pluto.rain.com> References: <61994f32f152b25487eaf153546ab59f@flabnapple.net> <4D8E18AF.6010906@FreeBSD.org> <4D8E1B9D.8050402@infracaninophile.co.uk> <4D8EBDBA.6070602@FreeBSD.org> In-Reply-To: <4D8EBDBA.6070602@FreeBSD.org> User-Agent: nail 11.25 7/29/05 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: rg.lists@rzweb.com, freebsd-ports@freebsd.org Subject: Re: Updating multiple ports with portmaster X-BeenThere: freebsd-ports@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting software to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Mar 2011 07:36:39 -0000 Doug Barton wrote: > On 03/26/2011 10:00, Matthew Seaman wrote: > > pkg_version -vIL= | awk '/^p5-/ { print $1 }' | xargs portmaster > > That's a good suggestion, but if you want to use that technique, better > would be: portmaster `pkg_version -vIL= | awk '/^p5-/ { print $1 }'` ... Unless the number of ports involved is very large, either should produce exactly the same effect. Absent a -n or -s switch, xargs collects up to 5000 args or a ~250KB command line for each invocation of (in this case) portmaster.