Perl programmer, occasionally Ruby, Io dabbler and even a spot of Clojure now and again.
Unix, OS X & Linux
Too much XML in past that I may go blind :)
Recovering data munger!
Q&A for professional and enthusiast programmers
Q&A for professional programmers interested in conceptual questions about software development
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for peer programmer code reviews