Method error

UnLuac/src/unluac/Main.java:119–127

(String err, boolean usage)

  }
  
  public static void error(String err, boolean usage) {
    System.err.println("unluac v" + version);
    System.err.print("  error: ");
    System.err.println(err);
    if(usage) {
      System.err.println("  usage: java -jar unluac.jar [options] <file>");
    }
    System.exit(1);
  }
  
  private static LFunction file_to_function(String fn, Configuration config) throws IOException {
    RandomAccessFile file = null;