#! /bin/ksh
# busy - show progress indicators
# Heiner Steven (heiner.steven@odn.de)
#
# usage:
#	busy& busipid=$!
#	# do some actions
#	kill $busypid

set -A Indicators -- "|" "/" "-" "\\"
integer n=${#Indicators[@]}
integer i=0

while true
do
    print -n -- "${Indicators[i]}"
    ((i=(i+1)%n))
    sleep 1
done