what is the meaning of $:: ?

[Mathematisch]

Hi,

I see this perl syntax "$::" in various scripts. What does it mean?
i.e.

$::VERSION = 0.01;

What would that be written in this way?

Thanks.

 

[Rainer Weikusat]

I see this perl syntax "$::" in various scripts. What does it mean?
i.e.

$::VERSION = 0.01;

What would that be written in this way?

AFAIK, a 'package global' variable in package main.

 

[mingwei hu]

learned it from Ben.
thanks.