The following patch to support using block devices
was submitted to the Debian bug-tracking system and
will be applied in the next Debian version of
par2cmdline. It would be great if you would take this
feature+patch under consideration. =)
See
<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=362558>
for the original report & patch.
Patch to allow par2cmdline to support block devices