#! /bin/bash

set -o noglob

cdrecord -scanbus 2> /dev/null |
while read line; do
	devnum=$(echo $line | gawk '{print $1}' | grep "," | grep ",")
	if [ -n "$devnum" ]; then
		devname=$(echo $line | gawk '{print $3}')
		if [ "$devname" != "*" ]; then
			echo $devnum
			exit 0
		fi
	fi
done

exit 1