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Ok finally figured it out. it's all about knowing where to look. thank you all for the tips!

With a name like VIndication, one would think the answer would be Bill Joy. I guess they should have called it VIMdication. Maybe that would have been too easy. I must say I was wracking my brain against this one until I looked at the source. It's interesting that the <ESC> would display in some bro...

What is the key to knowing which mode I should be in?

I thought the VI was a clue to use vi (because of some special characters like $ in the cipher text). No avail. Also looking for the easy stuff like "the answer is" failed me too. VI is the roman numeral for 6. Maybe that has something to do with it. Can anyone give me a clue on where to s...

Thought about doing this in the HVM because it seemed like it would be right up it's alley. then I decided to use python and vi. 2 minutes later: !/usr/bin/python import sys,io def calculate (s): l = list(s) sum = 0 i = 0 while i < len(l): if l[i] == 'x': del l[i] i -= 2 else: print l[i] sum += int(...

I did it in vim :%s/[A-Z]//g

and looked at the character count in the bottom right corner.