[REBOL] Re: How to tell if a port is open/closed ?/port!, port?, port..
From: tim::johnsons-web::com at: 19-Aug-2001 22:14
On Mon, Aug 20, 2001 at 02:33:04PM +1000, Anton wrote:
> I have a server like this:
>
> server-port: open/direct/no-wait/lines tcp://:4321
> connection-port: first server-port
> append ports: copy [] connection-port
>
> ; client connects and disconnects...
>
> ; disconnect all
> foreach port ports [if port [close port]]
>
> ** Access Error: Port none not open
> ** Where: disconnect
> ** Near: close port
>
> This happens if I try to close it twice,
> but I was hoping the test:
>
> if port [close port]
Hi Anton:
;How about
if port? port [close port]
; argh! been programming wine prices too, too much!
> would only try to close ports for open ports.
>
> ** How do I tell if a port is open?
>
> Merci,
>
> Anton.
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--
Tim Johnson <[tim--johnsons-web--com]>
http://www.johnsons-web.com
