Andy Neagu wrote:
> 
> Hi everybody,
> 
> I'm working on an extension to ruby that will allow me to work directly with
> Orca (a dll that allows you to work directly with pbls - Powerbuilder
> libraries). I'm not familiar with the ruby API's and I have some problems
> (like documentation I'm using "Programming Ruby").
> 
> Then:
> 
> How can I know the size of an ruby array?
> 

You ask it:

ary = Array.new

# fill  ary 

size = ary.size

BTW, you can as well use ary.lenght.

Stephan