(System/getProperty "user.dir") => "c:\\clojure"
(System/getProperty "user.home") => "c:\\Users\\Admin"
(map #(File. %) (.split (System/getProperty "java.class.path") (System/getProperty "path.separator")))) =>(#<File .> #<File clojure-1.5.0.jar> #<File clojure-contrib.jar>)