recurse_mkdir.sh

rm -rf 1

start=$(date +%s)
for i in {1..10}
do
    for j in {1..10}
    do
        for k in {1..10}
        do
            for l in {1..10}
            do
                mkdir -p 1/2_$i/3_$j/4_$k/5_$l
            done
        done
    done
done

stop=$(date +%s)
delta=$(($stop - $start))

echo $delta

for m in {1..10}
do 
    touch 1/2_1/3_1/4_1/5_1/$m
done