if [ $1 = "-d" ]
then
    list=`find $2 -type d -printf "%d %f\n"`
else
    list=`find $1 -printf "%d %f\n"`
fi

while IFS= read -r line; do
    nb=`echo $line | awk '{print $1}'`
    printf '\t%.0s ' {0..$nb}
    echo $line | awk '{print $2}'
done <<< "$list"