public static File parse(String[] options,String option,File defValue) throws Exception {
  String value=Utils.getOption(option,options);
  if (value.isEmpty())   return defValue;
 else   return new File(value);
}

public static File parse ( String [ ] options , String option , File defValue ) throws Exception { String value = Utils . getOption ( option , options ) ; if ( value . isEmpty ( ) ) return defValue ; else return new File ( value ) ; }
parses a file option , uses default if option is missing .
