Re: (NIL) vs Nothing

2017-01-30 Thread dean
Hi Alex Yes that worked great preceded by a testi.e. whizzing through all file lines in the input file until almost the 4000th which triggered reporting on the method of interests's input and output. Thank you very much for the advice. Best Regards Dean On 30 January 2017 at 11:07, Alexander

Re: (NIL) vs Nothing

2017-01-30 Thread Alexander Burger
Hi Dean, > trace operates in debug mode but again am not exactly sure how to ensure > that I am in debug mode on a method (rather than a function which is just > (debug 'Fn) at that point. > I have tried but get can't trace. While (trace 'foo) traces a function, (trace 'meth> '+Class) traces a

Re: (NIL) vs Nothing

2017-01-30 Thread dean
I'm applying a method mthd> *Obj to each line of a file in turn. I've tracked a problem down to when that method operates on line 3738 but am unsure of exactly how to trace the method from that point on. I see that trace operates in debug mode but again am not exactly sure how to ensure that I