Thes last few job interviews I went on (October 2000, December 2000) both places had me write code on the spot. For one they gave me a half-hour to write a rudimentary web-server. Another asked me to do my own implmentation of hashes. It was kind of cool, much better than just having some schmuck from HR asking me what various things are.

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perl -p -e "s/(?:\w);([st])/'\$1/mg"