From owner-freebsd-questions@FreeBSD.ORG Fri Mar 2 22:40:53 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2A75016A400 for ; Fri, 2 Mar 2007 22:40:53 +0000 (UTC) (envelope-from kline@tao.thought.org) Received: from tao.thought.org (dsl231-043-140.sea1.dsl.speakeasy.net [216.231.43.140]) by mx1.freebsd.org (Postfix) with ESMTP id 7AA6F13C491 for ; Fri, 2 Mar 2007 22:40:52 +0000 (UTC) (envelope-from kline@tao.thought.org) Received: from tao.thought.org (localhost [127.0.0.1]) by tao.thought.org (8.13.8/8.13.1) with ESMTP id l22MepJs000163 for ; Fri, 2 Mar 2007 14:40:51 -0800 (PST) (envelope-from kline@tao.thought.org) Received: (from kline@localhost) by tao.thought.org (8.13.8/8.13.1/Submit) id l22MepOs000162 for freebsd-questions@freebsd.org; Fri, 2 Mar 2007 14:40:51 -0800 (PST) (envelope-from kline) Date: Fri, 2 Mar 2007 14:40:50 -0800 From: Gary Kline To: freebsd-questions@freebsd.org Message-ID: <20070302224050.GB99502@thought.org> References: <20070228231635.GB73748@just.puresimplicity.net> <45E6113A.2060500@unsane.co.uk> <20070228233824.GA25235@ayn.mi.celestial.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070228233824.GA25235@ayn.mi.celestial.com> User-Agent: Mutt/1.4.2.2i X-Organization: Thought Unlimited. Public service Unix since 1986. X-Of_Interest: Observing twenty years of service to the Unix community Subject: Re: find returns unusable result X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Mar 2007 22:40:53 -0000 On Wed, Feb 28, 2007 at 03:38:24PM -0800, Bill Campbell wrote: > On Wed, Feb 28, 2007, Vince wrote: > >Josh Tolbert wrote: > >> On Wed, Feb 28, 2007 at 05:12:58PM -0600, Paul Schmehl wrote: > >>> I'd like to cron a process that looks at a certain folder every day and > >>> changes the perms on a directory if they aren't what I want. > >>> Unfortunately, the people creating the folders are Windows folks using > >>> WinSCP, and so they create folders with spaces in them. (E.g. Day 1, Day > >>> 2, etc.) > >>> > >>> I thought I could just do this: > >>> chmod 755 `find /path/to/dirs -type d` > >>> > >>> but find returns a directory name of Day, Day, Day, which (obviously) > >>> doesn't work. > >>> > >>> >From the cli, find returns the actual directory name. > >>> > >>> How can I get find to return the dirs correctly in a script? Or is there > >>> some other way to do this that would work? > >>> > >>> Paul Schmehl (pauls@utdallas.edu) > >> > >> find /path/to/dirs -type d -print0 | xargs -0 chmod 755 > >> > >or just > >find /path/to/dirs -type d -exec chmod 755 {} \; > >should do it. > > While that works, the -print0 | xargs -0 is far more efficient as it isn't > exec'ing a process for every match. This may not be important for a few > files or directories, but can make a significant difference when processing > thousands of entries. I don't mean to steal this thread, but it might help to know if egrep -[xyz] bar or other things might be joined in the " | xargs" part of the pipeline. Lots of times I'll want a find search to print0 filename and egrep, say, -3 strings and search for substrings nearby. The greps will recurse across many dirs with scores of files so I want to search to be efficient. In other words, how flexible is xargs? gary > > Bill > -- > INTERNET: bill@Celestial.COM Bill Campbell; Celestial Software LLC > URL: http://www.celestial.com/ PO Box 820; 6641 E. Mercer Way > FAX: (206) 232-9186 Mercer Island, WA 98040-0820; (206) 236-1676 > > When I hear a man applauded by the mob I always feel a pang of pity > for him. All he has to do to be hissed is to live long enough. > -- H.L. Mencken, ``Minority Report'' > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" -- Gary Kline kline@thought.org www.thought.org Public Service Unix