From owner-freebsd-questions@FreeBSD.ORG Sat Dec 27 02:05:50 2008 Return-Path: Delivered-To: freebsd-questions@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 889B2106564A for ; Sat, 27 Dec 2008 02:05:50 +0000 (UTC) (envelope-from kline@thought.org) Received: from aristotle.thought.org (ns1.thought.org [209.180.213.210]) by mx1.freebsd.org (Postfix) with ESMTP id 481828FC0C for ; Sat, 27 Dec 2008 02:05:50 +0000 (UTC) (envelope-from kline@thought.org) Received: from thought.org (tao.thought.org [10.47.0.250]) (authenticated bits=0) by aristotle.thought.org (8.14.2/8.14.2) with ESMTP id mBR26HCS064246; Fri, 26 Dec 2008 18:06:17 -0800 (PST) (envelope-from kline@thought.org) Received: by thought.org (nbSMTP-1.00) for uid 1002 kline@thought.org; Fri, 26 Dec 2008 18:05:43 -0800 (PST) Date: Fri, 26 Dec 2008 18:05:43 -0800 From: Gary Kline To: Corey Chandler Message-ID: <20081227020543.GC29639@thought.org> References: <20081227011335.GA29354@thought.org> <49558546.9050702@sequestered.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49558546.9050702@sequestered.net> User-Agent: Mutt/1.4.2.3i X-Organization: Thought Unlimited. Public service Unix since 1986. X-Of_Interest: With 22 years of service to the Unix community. X-Spam-Status: No, score=-4.4 required=3.6 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.2.3 X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08) on aristotle.thought.org Cc: FreeBSD Mailing List Subject: Re: how can i be certain that a file has copied exactly? 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: Sat, 27 Dec 2008 02:05:50 -0000 On Fri, Dec 26, 2008 at 05:30:46PM -0800, Corey Chandler wrote: > Gary Kline wrote: > > folks, > > > > is there a way i can be sure that my little C program has copied a > > dos/win file named, say, foo.htm\;7 to simply foo.htm? > > > > my program uses fopen/fgets/fputs to copy the markup files. of > > the several i have copied, no problem. unless i hack cmp or diff, > > i have to avoid the shell. > > > > any ideas? in other words, does anybody have a prefab cmp(oldfile, > > newfile) > > fn? > > > > gary > > > > > > > http://www.daemonology.net/bsdiff/ seems to maybe do what you want-- > essentially diff should solve your problem, although I'm not too clear > on how that works on differently compiled binaries. > > I also seem to recall there was a test function that returned different > results based on if the two files mentioned as arguments were identical, > but I can't recall offhand quite what it was. > > -- CJC ugh, i just founf both gif's and jpeg's with that same suffix. have to use something like while (n = read...)>0 write(fd2, buf,n) if i want to copy these binary files. ... maybe not: who needs graphics? :-) -- Gary Kline kline@thought.org http://www.thought.org Public Service Unix http://jottings.thought.org http://transfinite.thought.org The 2.17a release of Jottings: http://jottings.thought.org/index.php