code: public static void decodeFileToFile (@Nonnull final String aInFile, @Nonnull final File aOutFile) throws IOException
    {
      final byte [] decoded = decodeFromFile (aInFile);
      try (final OutputStream out = FileHelper.getBufferedOutputStream (aOutFile))
      {
        out.write (decoded);
      }
    }
docs: Reads <code>infile</code> and decodes it to <code>outfile</code>.
  
  @param aInFile
  Input file
  @param aOutFile
  Output file
  @throws IOException
  if there is an error
  @since 2.2