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Re:Interesting C code by apgwoz on Friday July 08, 2011 @02:41PM (#2743593)
,[.,] is /bin/cat in brainfuck. Though, brainfuck fails miserably at most golfing challenges.
Re:Interesting C code by icebraining on Friday July 08, 2011 @10:35PM (#2744841)
,[.,] doesn't actually concatenate files, though.

Personally, I think that using golf handicapped languages is the only way to keep it interesting. If you can choose the language, it gets too easy. One could even implement 'cat' as a single character, provided his language of choice.