Changes
no edit summary
You can call it a "WPKG engine".
It has to be executed with [http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/cscript_overview.mspx cscript.exe] (a command-line version of the Windows Script Host) or [http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/sag_wshtopnode.mspx wscript.exe ] (the Windows-based script host) like below:
cscript \\path\to\wpkg.js [flags]