months

Unix Shell编程权威指南的配套源代码,书是好书,不过习题没有答案,要自己做了

#!/bin/bash
# Scriptname: months
for month in Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
do
	for week in  1 2 3 4 
	do
		echo -n "Processing the month of $month. OK? "
		read ans
		if [ "$ans" = n  -o -z "$ans" ]
		then
			continue 2
		else
			echo -n "Process week $week of $month? "
			read ans
			if [ "$ans" = n -o -z "$ans"  ] 
			then
				continue
			else
				echo "Now processing week $week of $month."
				sleep 1
				    # Commands go here
				echo  "Done processing..."
			fi
		fi
	done
done