I created a script called zStartUpScript and put the following code in it.
If [ $$TheOS = 1 ]
Set Variable [ $$FolderPath; Value:"/Drive-1/Users/MyName/MyData/DataOut" ]
Else If [ $$TheOS = -2 ]
Set Variable [ $$FolderPath; Value:"ﬁlewin:/c:/DataOut" ]
Under File-Options, I then specified this script as the start-up script.
I expected $$FolderPath to be available when I run all my other scripts, but they are not. Is my expectation incorrect?