No, but I would use a comma before etc.
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Aspara GusPart of this process may include numbering, batching, sorting, etc in order to help us identify …Where are you getting that? Since the time of the pharaohs, "etc." has taken a comma both before and after. (I think you left the period off.)
enoonWhere are you getting that? Since the time of the pharaohs, "etc." has taken a comma both before and after.Only if what follows in the same sentence is an independent clause, as far as I’m concerned. You wouldn’t use a comma after and so on (or would you?) or any other final item of a list, so why is et cetera a special exception?
Aspara GusYou wouldn’t use a comma after and so on (or would you?) or any other final item of a list, so why is et cetera a special exception?Yes. I would, and so would anybody. Please check around. It's not an exception, but the rule. I could cite stylebooks, but you don't like them, so look at some edited material, maybe journals.
enoonI could cite stylebooks, but you don't like them, …No! Go right ahead! I’m all ears (or eyes).
enoonYes, that's the idea.I’ve always treated [and] so on as a part of the list it concludes. But I’ll take your word for it. Thanks!