:
##########################################################################
# Title      :	vsleep - visual sleep (countdown)
# Author     :	Heiner Steven <heiner.steven@odn.de>
# Date       :	1995-03-06
# Requires   :	
# Category   :	System Utilities
# SCCS-Id.   :	@(#) vsleep	1.2 03/12/19
##########################################################################
# Description
#
##########################################################################

PN=`basename "$0"`			# Program name
VER='1.2'

usage () {
    echo >&2 "$PN - sleep for some seconds, $VER (stv '95)
usage: $PN seconds"
    exit 1
}

msg () {
    for i
    do echo "$PN: $i" >&2
    done
}

fatal () { msg "$@"; exit 1; }

while [ $# -gt 0 ]
do
    case "$1" in
	--)	shift; break;;
	-h)	usage;;
	-*)	usage;;
	*)	break;;			# Seconds
    esac
    shift
done

[ $# -ne 1 ] && usage

countdown="$1"
while :
do
    echo "${countdown:-0}       
\c"
    if [ "$countdown" -gt 0 ]
    then countdown=`expr $countdown - 1`
    else exit 0
    fi
    sleep 1
done