#!/bin/sh

find . -maxdepth 1 \
    | grep -v ^.$ \
    | grep -v "Telegram" \
    | grep -v "Screenshots" \
    | grep -v "OLD-"\
    | while read file
do 
    date="$(stat -f "%Sm" -t %Y-%m  "$file" )"
    [ -f "OLD-$date" ] && mkdir -p OLD-$date
    mv "$file" OLD-$date/
done
echo done.