[ale] Quick script question

[Douglas Bridges]

I am trying to write a script to do something simple, but I have run across a 
little problem.  My script is trying to fire off a program with many 
permutations of parameters. When it receives a valid parameter, it fires up a 
GUI.  When it gets an invalid parameter, it errors out returning an error 
code ($? = 1).  How can I check to see if the GUI was fired up in a bash 
script so that I can automatically try all of these different parameters.  
The GUI fires up within 2 seconds, so if I don't get an error code within 
that time, I can kill the process and assume it worked.

Thanks,
Doug
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