2010-05-01  Jonathan Yong  <jon_y@users.sourceforge.net>

	* src/fsredir.h (doredirect): Declare.
	* src/fsredir.c (doredirect): New.
	(undoredirect): Likewise.
	* src/genidl.c: (main): Use doredirect.
	(show_usage): Add new option.
	(scanArgs): Handle new option.