The shunt utilites: shunt, exactly, and flyisofs, were originally written for burning multi-set CDROM backups using mkiosfs and cdrecord.
Here is an example of using shunt with flyisofs to make offsite copies of
compressed backups onto a series of DVD+RW discs:
shunt -c 'dump -0af - /path/to/backups' + \
'flyisofs mbc=2295104 fbc=2000000 | growisofs -Z \
/dev/rcd0c=/dev/fd/0'
"$ <utility> -h" provides minimal usage information.
For detailed information, see http://www.serice.net/shunt/
shunt.tgz
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