Coming from a Pascal background initially, Borland Turbo Pascal 1.0 - which shows my age, I always used to rely on print statements, because at that time there wasn't a debugger. That habit carried on in to my Perl programming until I discovered -ptkdb.

That said, it really depends on the complexity of the problem for me. I always start with the print statements if it's something that just doesn't seem right, but if it's more involved I always reack for ptkdb. I've never tried your approach since the ptkdb allowed me to add and delete variables at my leisure to watch them change.

Now if they just had one that would help monitor Tk apps...

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