goodboys

来自「UNIX+shell范例精解（第4版）代码」· 代码 · 共 20 行

#!/bin/ksh
# Program name: goodboys
PS3="Please choose one of the three boys : "
select choice in tom dan guy
do 
	case $choice in
	tom)
		print Tom is a cool dude!
		break;;		         # break out of the select loop

	 dan | guy )
		print Dan and Guy are both sweethearts.
		break;;
	 *) 
		print " $REPLY is not one of your choices" 1>&2
		print "Try again."
		;;
	esac
done