how to MD5 sum a DVD without copying it.

[Baruch Siach]

Hi Geoff,

On Wed, Feb 11, 2009 at 11:41:23AM +0200, Geoffrey S. Mendelson wrote:
> I want to make an MD5 checksum of a DVD ROM to verify that it was burned  
> properly.
>
> Is there a way to do this without making an ISO file from it?
>
> While I obivously have to read it, I don't want to do anything with the
> data other than calculate the checksum.

What about (assuming that you DVD is /dev/scd0):

md5sum /dev/scd0

baruch

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