Conceptually, to separate the sheep from the goats, you either need to really know what a sheep looks like, or really know what a goat looks like.

• Do the traps that you want to keep generally start with a newline?
• Do all the lines you want start with a time tag?
• Is there a reliable way to recognize the end of a trap?
• Do the junk lines have any regularity to them at all?

More generally, how good does your filter have to be?

• How big a deal is it if some of the junk slips thru?
• How big a deal is it if your filter throws a few real traps away?

throop

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