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xiaonaitong/dir-tree.clj

Created November 18, 2011 05:22
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print directory structure
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dir-tree.clj
(use 'clojure.java.io)
(defn depth [x]
(count (filter #(= % java.io.File/separatorChar) (.getAbsolutePath x))))
(defn pfile [x]
(let [root-depth (depth x)]
(fn [y]
(let [rdepth (- (depth y) root-depth)
prefix (apply str (repeat (* 3 rdepth) \space))
sign (if (.isDirectory y) "+" "-")
fname (.getName y)]
(println prefix sign fname)))))
(defn print-dir [x]
(let [root (file x)]
(dorun
(map (pfile root) (file-seq root)))))
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