Re: console synchronize with multiple files at once
Do you mean in parallel? No, parallel transfers are not supported in scripting. And actually not even in GUI, when synchronizing.
Before posting, please read how to report bug or request support effectively.
Bug reports without an attached log file are usually useless.
winscp.com /ini=nul /command ^
"open ftp://lalala/" ^
"option batch continue" ^
"mkdir /PROB/2020-05-06/" ^
"option batch abort" ^
"synchronize remote -delete E:\PROB\2020-05-06\ /PROB/2020-05-06/" ^
"exit"