Riviana Foods Inc. (Nasdaq: RVFD) reported earnings per diluted share of $0.56 for the second quarter ended December 30, 2001, versus $0.52 per diluted share for the same period last year.  Net income was $7.9 million, on sales of $98.7 million, compared to net income of $7.3 million, on sales of $102.2 million, for the second quarter of fiscal 2001.  Operating income of $9.7 million for the quarter was even with the prior year.