Initial data commit

Task/Walk-a-directory-Recursively/CoffeeScript/walk-a-directory-recursively.coffee

@@ -0,0 +1,17 @@
+fs = require 'fs'
+
+walk = (dir, f_match, f_visit) ->
+  _walk = (dir) ->
+    fns = fs.readdirSync dir
+    for fn in fns
+      fn = dir + '/' + fn
+      if f_match fn
+        f_visit fn
+      if fs.statSync(fn).isDirectory()
+        _walk fn
+  _walk(dir)
+
+dir = '..'
+matcher = (fn) -> fn.match /\.coffee/
+action = console.log
+walk dir, matcher, action