[Georgio]

Код:

@ECHO OFF

SET directum1=c:\lab2\1
SET directum2=c:\lab2\2

CALL :# %directum1% dir1.txt
CALL :# %directum2% dir2.txt
FINDSTR /I /X /G:dir1.txt dir2.txt
PAUSE
DEL dir1.txt dir2.txt
EXIT

:#
FOR /f "tokens=*" %%I in ('DIR /B /A-D %1') DO ECHO %%~nI>>%2
EXIT /B