Elixir patch

gistfile1.diff

diff --git a/lib/file.ex b/lib/file.ex
index b64161c..b5715fd 100644
--- a/lib/file.ex
+++ b/lib/file.ex
@@ -53,6 +53,41 @@ defmodule File do
     FN.basename(path, extension)
   end
 
+  @doc """
+  Returns a string with one or more paths components joint by the path separator.
+  This function should be used to convert a list of strings in a path.
+
+  ## Examples
+
+      File.join(["~", "foo"])
+	  #=> "~/foo"
+	  File.join(["foo"])
+	  #=> "foo"
+	  File.join(["/", "foo", "bar"])
+	  #=> "/foo/bar"
+  """
+  def join(paths) do
+    FN.join(paths)
+  end
+
+  @doc """
+  Returns a list with the path splitted by the path separator. If an empty string
+  is given, then it returns the root path.
+
+  ## Examples
+
+      File.split("")
+	  #=> ["/"]
+	  File.split("foo")
+	  #=> ["foo"]
+	  File.split("/foo/bar")
+	  #=> ["/", "foo", "bar"]
+
+  """
+  def split(path) do
+	FN.split(path)
+  end
+
   # Points to Elixir wildcard version that also handles "**".
   def wildcard(path, relative_to // '.') do
     Erlang.elixir_glob.wildcard(path, relative_to)
diff --git a/test/elixir/file_test.exs b/test/elixir/file_test.exs
index 9aa9254..701511e 100644
--- a/test/elixir/file_test.exs
+++ b/test/elixir/file_test.exs
@@ -29,8 +29,22 @@ defmodule FileTest do
     assert_equal "bar", File.basename("/foo/bar")
     assert_equal "", File.basename("/")
 
-    assert_equal "bar" , File.basename("~/foo/bar.ex", ".ex")
+    assert_equal "bar", File.basename("~/foo/bar.ex", ".ex")
     assert_equal "bar.exs", File.basename("~/foo/bar.exs", ".ex")
     assert_equal "bar.old", File.basename("~/for/bar.old.ex", ".ex")
   end
+
+  test :join do
+  	assert_equal "", File.join([""])
+	assert_equal "foo", File.join(["foo"])
+	assert_equal "/foo/bar", File.join(["/", "foo", "bar"])
+	assert_equal "~/foo/bar", File.join(["~", "foo", "bar"])
+  end
+
+  test :split do
+  	assert_equal ["/"], File.split("")
+	assert_equal ["foo"], File.split("foo")
+	assert_equal ["/", "foo", "bar"], File.split("/foo/bar")
+  end
+
 end