FTP Resume bei fehlerhaftem Upload

set jahr=%date:~-4%
set monat=%date:~-7,2%
set tag=%date:~-10,2%

@echo off

echo open xxx> upload1.ftp
echo xxx>> upload1.ftp
echo xxx>> upload1.ftp

echo binary>> upload1.ftp
echo hash>> upload1.ftp
echo cd Backup>> upload1.ftp
echo cd Server>> upload1.ftp
echo put ..\backup.7z.001 backup%tag%%monat%%jahr%.7z.001>> upload1.ftp

echo quit>> upload1.ftp

ftp.exe -v -s:upload1.ftp