On Fri, Dec 26, 2008 at 08:32:45PM -0500, Lowell Gilbert wrote:
> Gary Kline <kl...@thought.org> writes:
>
> > 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?
>
> mtree(1) handles whole ranges of files.
>
> For a single file, you could use some kind of checksum in your program
> or externally, but in general it will be comparing against the cache of
> the file's buffers, not against what is really on disk, so if you
> suspect an operating system or hardware-write bug, you won't spot it
> immediately.
>
> What, precisely, would you like to protect against?
again bad copies! mtree might work, but given the number of
files, i'd be better off hacking usr.bin/cmp !!
oh-well,
enjoy, spring is only 90 da off:-)
> --
> Lowell Gilbert, embedded/networking software engineer, Boston area
> http://be-well.ilk.org/~lowell/
--
Gary Kline kl...@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
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