@rendermaster
That is why I said you misplace the 2nd answer. You clearly didn't use AutoCAD and have no idea what the "overkill" command do (which is normal 'coz they're 2 separated softwares) so you mention 3 scripts that definitely nothing releavant to the problem. You still try to answer with irrelevant contents despite you don't use the software and command in question (would even make more users confused and misunderstand afterward). Your 1st answer is reasonable, you're not aware of overkill command, it's fine, but after the command got exposed you still come up with 2nd answer that totally irrelavant.. that's odd, man.
Overkill doing is erase (killing) the overlap CAD objects. Like when you draw a line, snap vertices and draw another one exactly overlaps the 1st line. These overlapping could be more than 2 times, and Overkill command be able to erase those redudant object (line, pline, etc...) leaving only 1 line at the end. Completely different with any of those 3 scripted.. they're all about subobject modification.
But anyway, I'm end here 'coz this's 3ds max forum.