   @doc """
   Returns the sha1sum of a file. Only works for files. Folders passed will return :error:
 
+  ## Arguments
+
+  - `path` where sha1sum to be generated in bitstring
+
+
+  ## Usage
+
       iex(1)> Radpath.sha1sum("mix.exs")
       "48edfd81ee32efc0f9aea7dbebd0798fb2adf226"
       iex(2)> Radpath.sha1sum("test")   


  @doc """
  
  To rename a file / directory:

      Radpath.rename(source, destination)

  """
  def mv(source, destination) when is_bitstring(source), do: rename(source, destination)

  @doc """
  
  To rename a file / directory:

      Radpath.rename(source, destination)


  """

  @doc """
  To create symlink:

  ## Arguments
  
  - `source`
  - `destination`

  ## Usage

      Radpath.symlink(source, destination). Source must exist.

