SFTP File In Memory

When using regular FTP in .Net, you can upload a file from an in-memory object. I am trying to use WinSCP with SharePoint, and create a text file with SharePoint data in it, and then I need to SFTP that file to a different server. The issue I'm having is that I don't (and won't) have access to the file system to create a physical file.

Does anyone have any ideas on how I can do this?

I just found this post:

https://winscp.net/forum/viewtopic.php?t=11825

and using temp files worked.