burniso

#!/bin/bash

# Burn ISO images from the command line.
# see "man burniso"

# Copyright (C) 2009, Michael Deelwater <michael.deelwater@googlemail.com>
# Copyright (C) 2010, Joaquim Boura <x-un-i@sapo.pt>
# Copyright (C) 2011-2015, Stefan Lippers-Hollmann <s.l-h@gmx.de>

# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2 of the
# License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# xorriso parameters
SPEED="8"
FS="14M"
OPTIONS="-dao -eject -v"

set -e
shopt -s nullglob
shopt -s nocaseglob

# Print out an error message and exit.
error () {
	echo >&2 "Error: ${*}"
	exit 1
}

# Look for writeable devices.
devices=$(awk '
/^drive name/ {
	sub(/^.*:[[:space:]]*/, "")
	num_dev = split($0, devices)
}
/(write CD)|(write DVD)/ {
	sub(/^.*:[[:space:]]*/, "")
	split($0, entries)
	for (i = 1; i <= num_dev; ++i)
		if (entries[i] == 1)
			printf("/dev/%s\n", devices[i])
}' /proc/sys/dev/cdrom/info | uniq)

case $(echo ${devices} | wc -w) in
	0)	error "No suitable device found!"
		;;
	1)	device=$devices
		;;
	*)	select device in $devices; do
			break
		done
		;;
esac

# Check write permission for device.
if [ ! -w "${device}" ]; then
	error "No write permission for ${device}!".
fi

printf "Using device %s.\n" "${device}"

if [ -z "$(echo *.iso)" ]; then
	error "No ISO images in current directory!"
fi

printf "Choose an ISO to burn: \n"
select iso in *.iso; do
	break
done

# Check if ISO exists.
if ! [ -f "${iso}" ]; then
	error "No ISO in currect directory!"
fi
printf "File %s chosen.\n" "${iso}"

# Look for MD5 checksum and validate if available.
if [ -f "${iso}.md5" ]; then
	echo "MD5 checksum found. Verifying ISO..."
	if ! md5sum -c "${iso}.md5"; then
		error "Invalid MD5 checksum!"
	fi
fi

# burn baby, burn
exec xorriso -as cdrecord ${OPTIONS} "dev=${device}" "fs=${FS}" "speed=${SPEED}" "${iso}"