@ECHO OFF
REM Put this code into a text file with a .BAT or .CMD extension
 
START /WAIT WINSCP /console /script=DOWNLOADscriptfilename
 
FC d:\deer.txt d:\fileDeer.txt >nul
if %errorlevel%==1 GOTO :EOF(
  REM files don't match, don't delete from sever
) else (
  REM first file matches, now test second...
  FC d:\--reject.txt d:\fileReject.txt >nul
  if %errorlevel%==0 (
    REM files match ok, run winscp script to delete from server
    del d:\fileDeer.txt & del d:\fileReject.txt
    WINSCP /console /script=DELETEscriptfilename
  )
)