[SCRIPT] Two things im not sure how to do

[Adrianis]

For the first one...

"ClearSavedMaps();
Clears the “history” of the save, useful to do when you know the player will not be able to go back anymore. Makes the next save much smaller in size."
http://wiki.frictionalgames.com/hpl2/amn...s#general1

Although the way you worded the question may mean that create/destroy cache could be useful as well, as WIWWM suggests