Ok, then I do not understand your question. The article explains that what you ask for is technically not possible.
- martin
@echo off
set server=server-ip
set user=user
set pass=password
"C:\Program Files (x86)\WinSCP\WinSCP.com" /command "open sftp://%user%:%pass%@%server%/" "put -neweronly D:\VeeamBackup\Job\* /mnt/backup_user_001/" "exit"