In one of my first projects using Perl (I had an internship at the time), someone wanted me to parse the output of top and another Unix tool. Both used ANSI codes, so I backed away. It looks like this guy didn't back away, so I'll give him a gold star for bravery. However, he looses his gold star for not commenting his code and using an ugly regex without the /x modifier.
It's really amazing how many people (and in good open-source programs, too) forget to add line comments here at there when they could greatly help. I am not asking for flower-box style comments, just an occasional "now we parse the ANSI terminal prompt" kind of comment here and there.
Long story short, people who never comment their code and modules implementations need to be shot :)
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