well, there is no much of an choise:
quote:

Calls to other executables, as long as they are part of a standard default Windows installation are allowed.
The use of the KiXforms DLL is also permitted as the KiXforms DLL can now be considered an integral part of KiXtart scripting.

if ye don't find a way to do it with system, you will need to write it with KF. which is not bad choice either.
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