goodboys

UNIX[1].shell范例精解(第4版)_code

#!/bin/bash
# Scriptname name: goodboys

PS3="Please choose one of the three boys : "
select choice in tom dan guy
do 
	case $choice in
	tom)
		echo Tom is a cool dude!
		break;;		         # break out of the select loop
	dan | guy )
		echo Dan and Guy are both wonderful.
		break;;
	*) 
		echo "$REPLY is not one of your choices" 1>&2
		echo "Try again."
		;;
	esac
done