::START SCRIPT::
@ECHO OFF
SetLocal ENABLEDELAYEDEXPANSION
set /P X=TYPE START NUMBER THEN PRESS ENTER:
DIR *.txt /B > LIST_TXT.txt
FOR /F "Tokens=* Delims=" %%z in (LIST_TXT.txt) Do ( Set FNAME=%%z
REN !FNAME! 0!X!-!FNAME!
set /a X+=1
)
del /q *LIST_TXT.txt
EndLocal
PAUSE
EXIT
::END SCRIPT::