pinging or else network devices from livecode

Robert Brenstein rjb at
Sat Jan 22 18:38:43 EST 2011

On 22.01.11 at 01:28 +0000 Alex Tweedly apparently wrote:
>You can't do ping directly from LC - LC only supports UDP and TCP 
>sockets, not ICMP or raw.
>You could do it via shell - but too many devices may not respond to ping.
>Do you want to find all active IP addresses on your own subnet, or 
>on any arbitrary subnet ?

At the moment I need to check only my own subnet, but checking 
another subnet will come later.

>If it's on your own, then here's what I'd do
>- try opening a UDP socket to each IP address
>- use shell / arp to see what's there.
>every device should respond to an arp request, so this is much more 
>likely to find all active devices.

Just did a quickie try with your code. Sounds like it will do what I want.



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