#!/bin/bash
echo"pleasechooseyourprofession?"
PS3="pleasechoosethenumber:"

functiona(){
	echo"thisisfuncitona"
}
functionb(){
	echo"thisisfunctionb"
}
n=0
selectvarin"worker""dock""teacher"
do
	case$varin
	worker)
	a
	;;
	dock)
	b
	;;
	*)
	esac
	echo"thechoosenumis\$REPLYis$REPLY"
	echo"yourpreofessionis$var"
	letn++
	if[$n-gt2]
	then
		break
	fi
done