From news Sun May 31 16:19:11 91 
From: moose (Michael Rutman)
Subject: Re: How to you set a breakpoint to catch postscript errors

In article <1011@nddsun1.sps.mot.com> leivian@axon.sps.mot.com (Bob Leivian)  
> I am getting errors from the DPS client ... offending command blah
> is printed into my terminal window but the program exits before telling
> me which of the two hundred PSlineto commands in my code that
> could have caused the problem.
> 

Run the program using -NXShowPS YES >largepsoutput
Then, using DisplayTalk from Adobe, step through the file largepsoutput until  
you find your error.