What is 'getfnv()' and what can it be used for?

[ComplexMetatable]

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[sjr04 (uep)]

What does ``getfenv()`` do?

As others have said, getfenv() returns the environment of your script (“env” for short). But what is an env? You probably know that each script has a script variable by default. It’s a global variable (the one created without using local, i.e. foo = "bar"). But global variables have to be stored somewhere, right? The answer is yes - they are stored within a dictionary table assigned to each script when it runs. That table is called the script’s env. So if that table stores your global variabl…

An interesting read.