#!/bin/sh

noofdirs=$(find . -mindepth 1 -maxdepth 1 -type d | wc -l)
lenofnod=$(echo -n "$noofdirs" | wc -m) ## Flag n to prevent newline count

for f in * ; 
do mv -n "$f" "$(date -r "$f" +"%Y%m%d_%H%M%S")_$f"; 
done

##open in vimv
#let @a=1 | g/^.\{0,16}/s//\=i.'. ' | let i=i+1
#add zero in front use period to repeat as necess

i=1;
for d in * ;
do echo $d $i ; mv -n "$d" "$(ls | nl -w$lenofnod -s ". " -n rz | awk -v i=$i 'NR==i')" ; i=$((i+1));
done