:
##########################################################################
# Shellscript:	vsleep - visual sleep (countdown)
# Version    :	0.1 (beta)
# Author     :	Heiner Steven (heiner.steven@odn.de)
# Date       :	06-03-95
# SCCS-Id.   :	$Id: vsleep,v 1.1.1.1 1999/06/15 19:29:05 heiner Exp $
##########################################################################
# Description
#
##########################################################################

PN=`basename $0`			# program name
VER='0.1 (beta)'

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