RE: Directory/file browser as TreeView

["Ratcliffe, Jeffrey (Peters)" <Jeffrey Ratcliffe External eads com>]

Hi Aristotle,

Firstly, thanks for taking the time to take my code apart and teaching me (and probably nearly everyone else) 
about good software design.

> > 31:  $process->( $pathname, sort +( no_upwards @content ) );
> >
> > What's the "+" for?

I, too, had no idea what this was for. Is there another way of writing this in one line?

> Of course in this case you can just as well use curlies to
> disambiguate. I just prefer this notation for my own (irrelevant

I'm being dumb. How do you can you rewrite this with curlies?

> Yes. The prototype lets you write
>
>     someutil( sub { ... }, $more, @args );
>
> a bit shorter as
>
>     someutil { ... } $more, @args;

Do you pass a sub to a sub like this often? I'd not seen this before either. I haven't been able to find 
anything in perldoc about it. Is there any documentation anywhere?

Regards,

Jeff