code: public static Path leftShift(Path path, InputStream data) throws IOException {
          append(path, data);
          return path;
      }
docs: Append binary data to the file.  See {@link #append(Path, java.io.InputStream)}
  
  @param path a Path
  @param data an InputStream of data to write to the file
  @return the file
  @throws java.io.IOException if an IOException occurs.
  @since 2.3.0