if(args.length > 1 && args[0].equals("-i"))
        {
            // read from file
            try (BufferedReader br = new BufferedReader(new FileReader(args[1]))) {
                String line = br.readLine();
                while(line!=null) {
                    GoDoStuff(line);
                    line = br.readLine();
                }
            } catch (IOException e) {
                return;
            }
        }