compare identitcal files of folder

:bof

    @echo off
    setlocal

:init
  
    set dirDEST=d:\TEST\NEW\
    set dirSOURCE=d:\TEST\OLD\

    if not exist "%dirDEST%" echo dirDEST not found & goto :EOF
    if not exist "%dirSOURCE%" echo dirSOURCE not found & goto :EOF

    for /f "delims=" %%a in ('dir /b /a-d "%dirDEST%" 2^>NUL') do if not exist "%dirSOURCE%%%a" echo %%a does not exist in "dirSOURCE"  
    for /f "delims=" %%a in ('dir /b /a-d "%dirSOURCE%" 2^>NUL') do if not exist "%dirDEST%%%a" echo %%a does not exist in "dirDEST"

 
:eof