{ "debug", 0, 0, OptionArg.NONE, ref opt_debug, "Show debug messages", null },
{ null }
};
- public static string opt_target;
- public static string opt_tmpdir;
+ public static string opt_target = "";
+ public static string opt_tmpdir = "";
- public static string[] opt_files;
- public static string opt_files_from;
- public static bool opt_debug;
+ public static string[] opt_files = {};
+ public static string opt_files_from = "";
+ public static bool opt_debug = false;