public static void main(String[] args) { options = createOptions(); CommandLineParser parser = new GnuParser(); try { CommandLine line = parser.parse(options, args); String complexFile = line.getOptionValue("complex"); String pointsFile = line.getOptionValue("points"); String outputFile = null; if (line.hasOption("destination")) { outputFile = line.getOptionValue("destination"); } else { outputFile = FileManager.generateUniqueFileName() + ".pov"; } renderFromFiles(complexFile, pointsFile, outputFile); } catch (ParseException exp) { HelpFormatter formatter = new HelpFormatter(); formatter.printHelp("plex-viewer", options); } catch (IOException e) { e.printStackTrace(); } }