If you skip -f and use & to put it into the background I think you can
capture the pid in $!

ssh -NT -L 6111:remote.server.org:8080 -L 6112:remote.server.org:8080
me@tunnel.server.org & PIDOF=$!

Jonathan

On Wed, Jan 6, 2016 at 2:38 PM, Snyder, Alexander <alex@misteralexander.com>
wrote:

> Hello!
>
> I have written a script that establishes an SSH Tunnel and does Port
> Forwarding from a local CYGWIN Shell ....
>
> When I try to kill the tunnel by the PID, I get nothing ...
>
> Does anyone know how CYGWIN handles PIDs in a local Shell?
>
> ssh -NTf -L 6111:remote.server.org:8080 -L 6112:remote.server.org:8080
> me@tunnel.server.org
> PIDOF=$!
> echo -e "Local Port 6111 is now resolving content from \"
> remote.server.org:8080\""
> echo -e "Local Port 6112 is now resolving content from \"
> remote.server.org:8080\""
> echo -e ""
> echo -e "Port Forwarding
> ${red_back}${yellow_text}Active${norm_text}${norm_back}:"
>             while true
>                 do
>                     echo -e "Press Any Key to ${red_text}STOP${norm_text}
> Port Forwarding ..."
>                     read kill
>                     case $kill in
>                         *) kill $PIDOF ;;
>                     esac
>                 done
>     ;;
> esac
>
> I'm just getting an empty variable (kill has nothing to kill) .... since
> this is just a local shell and not a full fledged system, I was wondering
> if anyone knew how CYGWIN handles PIDs.
>
> --
> Thanks,
> --:: Alexander J. Snyder ::--
> --:: ThisGuyShouldWorkFor.Us <http://thisguyshouldworkfor.us> ::--
> --:: "Never trust a computer you can't throw out a window. --Steve
> Wozniak" ::--
> --
>
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