docs: protected static File unix2os(String filename) {
  		File file = null;
  		for (final String base : filename.split(Pattern.quote("/"))) { //$NON-NLS-1$
  			if (file == null) {
  				file = new File(base);
  			} else {
  				file = new File(file, base);
  			}
  		}
  		return file;
  	}