example15.11

UNIX[1].shell范例精解(第4版)_code

#! /bin/ksh
print "Do you want to see the menu?"
read answer
if [[ $answer = y ]]
then
	cat << EOF           <-- No space after user defined terminator
	1) Steak and eggs
	2) Fruit and yogurt
	3) Pie and icecream
	EOF                  <-- User-defined terminator cannot 
	                         have spaces surrounding it 
	print "Pick one "
	read choice
	case "$choice" in
		1) print "Cholesterol"
			;;
		2) print "Dieter"
			;;
		3) print "Sweet tooth"
			;;
	esac 
else
	print "Later alligator!"
fi