find . -name '*erb' | xargs ruby -e 'ARGV.each { |i| puts "html2haml -r #{i} #{i.sub(/erb$/,"haml")};rm #{i}"}' | bash
Setup postgres http://shifteleven.com/articles/2008/03/21/installing-postgresql-on-leopard-using-macports
sudo -u postgres createuser -S -D -R -P your_user_name