bash scripting try something, but quit if it's taking too long

[Chris F.A. Johnson]

On Tue, 22 Jun 2010, Matt Price wrote:

> hi,
> 
> quick scripting question.  I have an irritating emacs bug, in which
> emacs sometimes hangs when the network's disrupted.  To deal with this
> i have just send a command via emacsclient to the running server
> before i suspend, which solves a solid 90% of my problems.  but
> sometimes emacs is already hung when i want to suspend!  in that case,
> my script hangs too and the suspend event never takes place, which is
> almost always worse since it causes everything to lose data, not just
> emacs.  here's my tiny function:
> 
> suspend_wl()
> {
> 	# Get WL to go offline
>         if [-f /tmp/emacs1000/server]
> 	    then
>             /usr/bin/emacsclient --socket-name /tmp/emacs1000/server
> --eval "(wl-toggle-plugged 'off)"
> 	fi
> }
> is there a "try" or similar command i can use around the emacsclient
> command, to just continue if things are taking too long?

wait=666       ## seconds before timing out
suspend_wl &   ## put function into the background
sleep $wait    ## wait
kill $!        ## kill last background process

-- 
   Chris F.A. Johnson, <http://cfajohnson.com>
   Author:
   Pro Bash Programming: Scripting the GNU/Linux Shell (2009, Apress)
   Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
--
The Toronto Linux Users Group.      Meetings: http://gtalug.org/
TLUG requests: Linux topics, No HTML, wrap text below 80 columns
How to UNSUBSCRIBE: http://gtalug.org/wiki/Mailing_lists