The file may not exist and errors would be spewed on the console.
+if [ -z "$3" -a -f /proc/ide/${1}/media ]; then
MEDIA=`cat /proc/ide/${1}/media`
if [ "${MEDIA}" = "cdrom" ]; then
echo ide/host${HOST}/bus${BUS}/target${TARGET}/lun0/cd cdroms/cdrom`get_dev_number $1 cdrom`
MEDIA=`cat /proc/ide/${1}/media`
if [ "${MEDIA}" = "cdrom" ]; then
echo ide/host${HOST}/bus${BUS}/target${TARGET}/lun0/cd cdroms/cdrom`get_dev_number $1 cdrom`