Wow, there's clearly an evil genius at work here. The splice is an interesting conversion. The thing you're doing calling i in sub h is slightly confusing, but I understand what you're doing with the regex in the while loop now, which I somehow missed last night. (Oh, I see, it was front-anchored in last night's version. That must be one of the bug fixes. But, won't $` contain the separating slash now? I'm still confused there. You've golfed it beyond my ability to follow it.)

• You've still got the verbose if/else blocks in sub t. Converting to the trinary operator saves, if my calculations are correct, three strokes if you have to parenthesize the middle part, five if you don't. Am I missing something?
• You've gone back to the three-argument open; is that one of the bug fixes you mentioned? I thought it was semantically the same... and if not, I want to understand the difference for reasons that have nothing to do with obfuscation, golf, or P2P.
• I assume the delete is a bugfix, to purge dead peers from %k entirely. Makes sense.
• The space after the comma in sub g, what's the reasoning behind that?

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