how to detect whether a laptop is docked

[Nellis, Kenneth]

From: Yaakov Selkowitz
> On Wed, 2015-08-26 at 19:27 +0000, Nellis, Kenneth wrote:
> > I am looking for a method by which I can determine within a shell script
> > whether my laptop is docked or not. Google provided some answers for Linux
> > and Windows users, but the several ways I tried did not work out.
> >
> > One Windows solution * provided a VB script that accessed a registry variable ‡,
> > but my registry value remains the same whether or not I'm docked.
> >
> > The Linux solutions required either a file I don't have (/var/run/stab) or a tool
> > that I don't have and couldn't find in a Cygwin search (acpid or lsusb).
> 
> lsusb is part the usbutils package, which is currently in Ports.

Great! I now have a workable script: lsusb | grep -qi keyboard

I found it frustrating figuring out cygports until I found
http://www.cygwinports.org/, which clearly told me what to do. 
I wasn't able to find any reference to cygwinports on the cygwin site.

Thank you, Yaakov. ☺

--Ken Nellis