MOVE %event_uploadpath "c:\temp"
SET zip_path = "c:\temp\" + %event_uploadfile
SETRIGHT extension = %event_uploadfile 4
IFNSTRCMPI extension ".zip" GOTO invalid_file
UNZIP zip_path "c:\destination" "*"
IFERROR GOTO invalid_file
DELETE zip_path
RETURN %lasterror
:invalid_file
;; Not a valid zip file
MOVE zip_path "c:\quarantine"