how do I hide a variable from viewing

Hi All,

Fedora 41 (Linux)

Since my *.raku can be publicly read, how do I obscure
the contents of a variable so other can not read it?

Currently what I have been doing is setting the file's
ownership to root:root and the attributes to 700 so
only root can see it.

I would be nice to obscure a variable inside the
program though.

Many thanks,
-T