iso2mkv.sh

#!/bin/bash

if [ -z $1 ]; then
 echo "no file given"
exit 0
fi

if [ -z $2 ]; then
    outFilePrefix="$(echo $1 | sed 's=.*/==;s/.iso//I')"
else
    outFilePrefix=$2
fi

if [ -z $3 ]; then
    outTitleOffset=1
else
    outTitleOffset=$3
fi

rawout=$(HandBrakeCLI --min-duration 0 -i $1 -t 0 2>&1 >/dev/null)
count=$(echo $rawout | grep -Eao "\\+ title [0-9]+:" | wc -l)

echo $count
echo $rawout | grep -Eao "\\+ duration: [0-9]+:[0-9]+:[0-9]+"

for i in $(seq $count)
do
    title=$(printf "%02d" $outTitleOffset)
    ((outTitleOffset++))
    echo -e "\n\n\nExtracting title $i as '${outFilePrefix}${title}.mkv'\n\n\n"
    HandBrakeCLI -i $1 -t $i --preset Normal --output ${outFilePrefix}${title}.mkv
done

echo -e "\n\n\niso2mkv complete!"


#prereqs:
#sudo add-apt-repository ppa:stebbins/handbrake-releases
#sudo apt-get update
#apt-get install handbrake-cli libdvdcss2

#It's worth noting that if you want that count value to be right you'll need to pass --min-duration 0
#to HandBrakeCLI otherwise you'll come up short on some DVDs.
#default is the track length needs to be >10 seconds
#https://handbrake.fr/docs/en/1.0.0/cli/cli-guide.html
#version 2 of this script: https://pastebin.com/SRHihAED