Script to create input output files numbered 0-10
number=0
fname=""
i=0
while [[ $i -lt 10 ]]
do
number=$((number+1))
printf -v fname '%s%02d.txt' "input" "$number"
echo $fname
touch "$fname"
if [[ $number -eq 10 ]]; then
break
fi
i=$(( $i + 1 ))
done
echo 'All Done!'