Kartik is happy to contribute his crawler, but wonders if it wouldn't be easiest to reuse the HNSearch crawler (since both forums have the same structure). http://arclanguage.org/item?id=14774

Thank you, Andres. I put up a message about it on the Arc Forum as well: http://arclanguage.org/item?id=14772. Please email me at evanrmurphy@gmail.com if you need assistance.