Thanks, those cluster roundups sound like they are probably more effort than they are worth. I'd been hoping there was something like a quick and dirty call to explorer methodology someone had worked out for something else. But this sort of thing would probably be a good bit slower.
Just tested a before and after diskspace() subtraction method. To my great surprise, it yielded extreme variation - up to 2 GB size variation. The simple addition method is good enough, varying only a small percentage and disks are damnably cheap on sale so the wasted space is not worth a major development effort. I just hate to waste space (or time) in this here continuum.
Best,
Steve
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