" <eclipse dir> <plugin file>");
" <eclipse dir> <plugin file> [<required plugin id> <required plugin dir> ...]");
	public static void main(String[] argv) throws Exception {		if (argv.length != 2) {			System.err.println("Usage: " + EclipseClasspath.class.getName() +				" <eclipse dir> <plugin file>");			System.exit(1);		}		EclipseClasspath ec = new EclipseClasspath(argv[0], argv[1]);		ec.execute();	}