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From: Walker <zflyer@gmail.com>
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Subject: Reading a DVD UDF volume label
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Hello,

Does anyone know how to retrieve a DVD's UDF volume label from the
CLI?  I'm trying to write a script that will catalog a DVD's contents
and automatically assign it a filename based on the UDF label.  Things
I've tried so far:

The "file -s /dev/acd0" command.
cdrtools-devel's "cdrecord -minfo"
Using "dd" and "strings".

Any help appreciated.  Thanks!