Open for suggestions for a fingerprinting tool. I think that's what they are 
called.

We are copying NASA imagery to make available to the public. They send us a 
hard drive with about 10,000 images and we copy them to a drive then return the 
original.

I'd like a tool that would compare the 2 drives to make sure everything was 
copied correctly. Then something that would be able to tell if some file had 
degraded, went missing or been changed over time.

Thanks,
David Bigwood
dbigw...@hou.usra.edu<mailto:dbigw...@hou.usra.edu>
Lunar and Planetary Institute

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