code: public static String compile( File lessFile, boolean compress ) throws IOException {
          String lessData = new String( Files.readAllBytes( lessFile.toPath() ), StandardCharsets.UTF_8 );
          return Less.compile( lessFile.toURI().toURL(), lessData, compress, new ReaderFactory() );
      }
docs: Compile the less data from a file.
  
  @param lessFile
  the less file
  @param compress
  true, if the CSS data should be compressed without any extra formating characters.
  @return the resulting less data
  @throws IOException
  if an I/O error occurs reading from the less file