rodney@athlon64:~$ hdparm /dev/cdrom

/dev/cdrom:
 IO_support   =  1 (32-bit)
 unmaskirq    =  1 (on)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 HDIO_GETGEO failed: Inappropriate ioctl for device

rodney@athlon64:~/scripts$ cat md5.sh
#! /bin/bash
# checks /media/cdrom0 using md5
# if md5sum.md5 is present, the check is direct
#
cd /media/cdrom0
if [ -f md5sum.md5 ]
then
  echo "md5sum.md5 exists, using md5sum to check"
  cd /media/cdrom0
  md5sum -c md5sum.md5
else
  echo "md5sum.md5 needs to be created"
  cat /media/cdrom0/md5sum | sed -e 's/.$//' -e 's|\\|/|g' > /tmp/md5sum.md5
  cat /tmp/md5sum.md5
  echo "----------------------checking now---------------------------------"
  cd /media/cdrom0
  md5sum -c /tmp/md5sum.md5
fi
cd ~/scripts
eject
echo "Done!"