(require '[clojure.reflect]
         '[clojure.java.io :as io])

(->> (clojure.reflect/reflect java.nio.file.Paths)
     :members)
#_#{{:name java.nio.file.Paths,
   :declaring-class java.nio.file.Paths,
   :parameter-types [],
   :exception-types [],
   :flags #{:private}}
  {:name get,
   :return-type java.nio.file.Path,
   :declaring-class java.nio.file.Paths,
   :parameter-types [java.lang.String java.lang.String<>],
   :exception-types [],
   :flags #{:varargs :public :static}}
  {:name get,
   :return-type java.nio.file.Path,
   :declaring-class java.nio.file.Paths,
   :parameter-types [java.net.URI],
   :exception-types [],
   :flags #{:public :static}}}
(java.nio.file.Paths/get "/usr" (into-array String ["bin" "perl"]))
(java.nio.file.Paths/get (java.net.URI. "file:///usr/bin/perl"))


;;; mv, mkdir, cp とか 基本的な Unix コマンドに対応する様なものがある
;;; そうじゃないものあるけど
;;; 引数は基本的に java.nio.file.Path
(->> (clojure.reflect/reflect java.nio.file.Files)
     :members
     (remove #((:flags %) :private))
     (remove :type)                     ;remove variables
     ;; (filter #(= 'java.nio.file.Path (-> % :parameter-types first)))
     #_(filter #(and (= 'java.nio.file.Path (get-in % [:parameter-types 0]))
                   (= 'java.nio.file.Path (get-in % [:parameter-types 1]))))
     ;; (map :name)
     ;; distinct
     ;; sort
     )


;;; 出来なかった
(comment
  (java.nio.file.Files/walkFileTree
   (java.nio.file.Paths/get "/etc" (into-array String []))
   (fn [p a]))

  (with-open [r (io/reader "/etc/passwd")]
    (-> r
        .lines
        (.forEach println)))

  (with-open [r (io/reader "/etc/passwd")]
    (-> r
        .lines
        (.forEach System.out.p)))
  )