Run command line SFTP from SSIS

I have a need to run SFTP (SSH FTP),  Admin likes psftp (type "putty" at the Google prompt.  First choice).

Seems simple enough.  Use the Execute Process Task to execute psftp.exe and pass in the parameters (including a batch file).  I've done this with other command line programs.  Almost like stealling.  And, sftp works beautifully from a command line at the DOS prompt.   Should be no problem.

Here's the kicker:   Execute Process Task will NOT run psftp.exe IF ANY parameters are passed.  ANY parameters. Even if I encapsulate psftp.exe inside a .bat file, the Task fails if any parameters are passed. I have tried the following:

0.  psftp -V     successful at DOS prompt from any folder (i.e. PATH is not an issue). (returns version)
1.  psftp         successful from Execute Process Task (note: no params)
2.  psftp AND parameter -V     FAILS with Execute Process Task
3.  psftp (no params) inside a .bat file   successful from DOS prompt and from Execute Process Task
3.  psftp -V inside a .bat file  succesful from DOS prompt
4.  psftp -V inside a .bat file    FAILS with Execute Process Task
5.  notepad.exe test.txt   successful from Execute Process Task

It seems that Execute Process Task works with any program except psftp.exe.   Is there any way to get psftp.exe to run?

HELP!    :-)

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