You can try like this :
@echo off
set Source=C:\TEMP\MyDoc.txt
set Destination=E:\MyData\
set Filename=MyDoc
set a=1
:loop
if exist %Destination%\%Filename%(%a%).txt set /a a+=1 && goto :loop
copy %Source% %Destination%\%Filename%(%a%).txt
pause
You can try like this :
@echo off
set Source=C:\TEMP\MyDoc.txt
set Destination=E:\MyData\
set Filename=MyDoc
set a=1
:loop
if exist %Destination%\%Filename%(%a%).txt set /a a+=1 && goto :loop
copy %Source% %Destination%\%Filename%(%a%).txt
pause