$ for i in `seq 4`; do HandBrakeCLI --input /dev/dvd --title $i --preset Normal --output NameOfDisc_Title$i.mp4; done

for ($title=1; $title -le 4; $title++) {
    &"C:program fileshandbrakeHandBrakeCLI.exe" --input D: --title $title --preset Normal --output "$title.mp4"
}

#!/bin/bash
rawout=$(HandBrakeCLI -i /dev/dvd -t 0 2>&1 >/dev/null)
#read handbrake's stderr into variable

count=$(echo $rawout | grep -Eao "\+ title [0-9]+:" | wc -l)
#parse the variable using grep to get the count

for i in $(seq $count)
do
    HandBrakeCLI --input /dev/dvd --title $i --preset Normal --output $i.mp4
done

patty@patty:~$ for i in `seq 4`; do HandBrakeCLI -i /media/patty/DVDTITLE -t $i -o DVDTITLE_Title$i.mp4 -e x264 -q 18; done