Date: Fri, 26 Dec 2008 17:30:46 -0800 From: Corey Chandler <lists@sequestered.net> To: Gary Kline <kline@thought.org> Cc: FreeBSD Mailing List <freebsd-questions@FreeBSD.ORG> Subject: Re: how can i be certain that a file has copied exactly? Message-ID: <49558546.9050702@sequestered.net> In-Reply-To: <20081227011335.GA29354@thought.org> References: <20081227011335.GA29354@thought.org>
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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
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