Or this (please copy, paste, modify
-s:C:\test\FTPInput.txt
and give it a try)
FTPInput.txt
 Code:
open ftp.microsoft.com
user anonymous pass anonymous
cd ResKit/win2000
mget jt.*
quit

FTPTest.kix
 Code:
BREAK ON
Shell '%comspec% /c "ftp -i -n -v -s:C:\test\FTPInput.txt" > nul'

A window is opened but no screen output is shown.