You could do with with some scripting. I did this awhile ago while
experimenting with image manipulation programs: I wanted to see if files had
been renamed or changed.
I basically, created a hash (md5 or sha1 I can't remember) and saved this to a
file (sorted by hash). I did one 'hash list file' for each tree: the original
and the current. I then diff'ed those text files.
The thing is, I don't want to do any hashing at all on any of these big files.
It's way too slow an operation. All I want is to keep a backup copy of these big
files on an external drive. On my internal drive, I might add or remove or
rearrange or rename some of them, and when it comes time to sync up the backup
drive, all I want to see are these gross changes. I trust myself enough to know
that I haven't gone in and modified the contents of any of these binaries...
Martin
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