; second example, this one doesn't work

(ns foo
    (:require [org.apache.commons.io.FilenameUtils :as FileNameUtils])
)

(defn print-extension
    [path]
    (println
        (FilenameUtils/getExtension path
    ))
)

;;invocation below
;lein repl
; (load-file "/home/john/get-extension.clj")
;it  gives me "CompilerException java.io.FileNotFoundException: Could not locate org/apache/commons/io/FilenameUtils__init.class or org/apache/commons/io/FilenameUtils.clj on classpath: , compiling:(/home/varnie/thrash/get-extension.clj:1:1) "