@ECHO OFF &SETLOCAL
set "date1=01/09/2013"
set "date2=31/10/2013"
set "SearchPath=D:/backups/11_11"
set "datestamp1=%date1:~6,4%%date1:~3,2%%date1:~0,2%"
set "datestamp2=%date2:~6,4%%date2:~3,2%%date2:~0,2%"
for %%a in ("%searchpath%\*") do (
set "fname=%%~a"
for /f "tokens=1-3 delims=/-. " %%b in ("%%~ta") do set "datestampF=%%~d%%~c%%~b"
SETLOCAL ENABLEDELAYEDEXPANSION
if "!datestampF!" gtr "%datestamp1%" if "!datestampF!" lss "%datestamp2%" echo move "!fname!" "DestinationFolder"
endlocal
)
Remove the echo
to get it working.