Re: verifying files

On Sep 17, 2005, at 12:59 PM, Craig White wrote:
> I'm thinking that I don't entirely trust what I 'exported' from my
> iPod
> and want to check it against the music data from my Windows
>
> What I want to compare is the entirety of the music data - though the
> file names and folder names are different, the data within them should
> be entirely unchanged.
>
> so I thought I could md5sum a directory tree but it only works on
> files. ;-(

Well, if all the files are supposed to be the same other than their
names, why not try something like this:

$ cd orig_directory
$ md5sum * | cut -d ' ' -f 1 | sort > ~/orig.sums
$ cd new_directory
$ md5sum * | cut -d ' ' -f 1 | sort > ~/new.sums
$ diff ~/orig.sums ~/new.sums

That won't tell you everything but it will tell you a lot. If, for
instance, all the files ARE the same (just renamed), then there
shouldn't be any differences. If only a few lines are different,
then you can probably manually track down those files. If a lot of
lines differ, then there was some serious problems with your export.
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