Copy disc to ISO

copydisc.sh

#! /bin/sh
set -e

# Copy disc to ISO script. I believe everyone has to write one of these at some point

input=${1:-/dev/sr0}

info=$(isoinfo -d -i $input)

volume_id=$(echo "$info" | awk '/Volume id/' | awk '{print $NF}')
sector_size=$(echo "$info" | awk '/block size/' | awk '{print $NF}')
sector_count=$(echo "$info" | awk '/Volume size/' | awk '{print $NF}')

output=${2:-$volume_id.iso}
output=${output:-discimage.iso}

echo -e "Backing up $input to $output...\n"
dd if=$input of=$output bs=$sector_size count=$sector_count status=progress