#!/bin/ksh
#ident  "@(#) 1.0  send ASCII bell character to standard out N times (default 3) 19960401 John S. Urban"
#set -x
export BELL
BELL=`echo "%"|tr '%' '\007'`
TIMES=${1:-'3'}
SLEEP_TIME=${2:-'1'}
while test $TIMES -gt 0
do
   echo $BELL
   #old sh way# TIMES=`expr $TIMES - 1`
   TIMES=$(( $TIMES - 1 ))
   sleep $SLEEP_TIME
done
exit

Using tr(1) and an octal value is more portable than looking for an echo(1) or
printf(1) that can print a bell character at this point. Might change later.

This script can be very useful for GNU screen(1) users
since the screen(1) interface will send a warning to the current display
when a bell character appears in any of the windows.