Global declared twice, is it suppose to keep the previous value?

[JohnOne]

Of course not, it's a bit noob and silly to do either, but a valid curiosty I suppose.

[czardas]

I wasn't sure if the interpreter would ignore subsequent Static declarations, as it appears to do under normal circumstances in local scope: when a function is repeatedly called. The fact it throws an error tells us something about the inner workings of AutoIt.

Edited February 10, 2015 by czardas

[JohnOne]

Another question might a;so arise.

We know that in AutoIt you do not have to declare a variable with either the Global or Local scope keywords (excluding uninitiated arrays maybe).

So we say this is bad...

While 3
    Local $var = 10
    ;Something else
    Sleep(1000)
WEnd

But what is happening here...

While 3
    $var = 10
    ;Something else
    Sleep(1000)
WEnd

Is it being re-declared?

[czardas]

Not the way I see it.

The variable exists after the first encounter and its assigned value is overwritten on subsequent runs. If the variable does not already exist, it will be declared internally within the local (current) scope, which could be either local or global depending on the circumstance.

Edited February 10, 2015 by czardas

[JohnOne]

So AutoIt does re-declare a variable if the scope keyword is used, but deals with it internally if it does not?

[czardas]

That ought to be correct!

[jdelaney]

Depends.  If you declare local on the same level as another local with the same variable name, then they will overwrite.

If you declare local inside a function, and outside a function, they are seperated.

If you declare global outside a function and DONT local the same in a function, the global is overwritten.

If you declare local outside a function and DONT local the same in a function, the outside local is overwritten