private static void printUsage() {
		System.out.println("usage: java -jar conan.jar [options] folder1 [folder2 [folder3...]]");
		System.out.println("");
		System.out.println("options:");
		System.out.println("  --log LEVEL");
		System.out.println("       set the logging verbosity. LEVEL can be INFO (show everything), WARNING,");
		System.out.println("       or SEVERE (only show major issues).");
		System.out.println("");
		System.out.println("  --gui");
		System.out.println("       start graphical editor (not currently implemented)");
		System.out.println("");
		System.out.println("*** the following options have no effect in graphical mode ***");
		System.out.println("");
		System.out.println("  --query PropertyNAME");
		System.out.println("       query this property on each folder after loading (default is to query ");
		System.out.println("       all properties). can be repeated to query a list of properties.");
		System.out.println("");
		System.out.println("  --listproperties");
		System.out.println("       print entire list of supported properties");
		System.out.println("");
		System.out.println("  --maxresults N");
		System.out.println("       set the maximum number of results to return PER PROPERTY");
		System.out.println("       * has no effect in graphical mode");
		System.out.println("");
		System.out.println("  --shownodes");
		System.out.println("       show the source nodes (e.g. ID3 frames), not just property/value pairs");
		System.out.println("       * has no effect in graphical mode");
		System.out.println("");
		
/*		System.out.println("list of properties:");
 		for(MediaProperty m : MediaProperty.values()) {
			System.out.println(m.getShortName()+ " - " + m.getDescription());
		}*/
	}