@echo off
cls
if not exist ".\KOPIA_A" mkdir ".\KOPIA_A"

set zrodlo=.\
set cel=.\KOPIA_A
set pliki=a?????.*
for /f "delims=" %%f in ('dir /a-d /b /s "%zrodlo%\%pliki%"') do (
copy /V "%%f" "%cel%\" 2>nul
)