#!/bin/sh -
#
#  $Id: nothing,v 1.5 2005/01/31 22:45:31 dgregor Exp $
#
# Copyright (c) 1998-2004 Daniel J. Gregor, Jr.
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 
#    - Redistributions of source code must retain the above copyright
#      notice, this list of conditions and the following disclaimer.
#    - Redistributions in binary form must reproduce the above
#      copyright notice, this list of conditions and the following
#      disclaimer in the documentation and/or other materials provided
#      with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# 

delay=60

if [ $# -gt 0 -a x"$1" = x"-d" ]; then
	date=1
else
	date=0

	if [ `echo "\000\c" | wc -c` -eq 1 ]; then
		echo="echo"
	elif [ `echo -e "\000\c" | wc -c` -eq 1 ]; then
		echo="echo -e"
	else
		echo "`basename $0`: could not get 'echo' to emit just a null character" >&2
		exit 1
	fi
fi

while true; do
	if [ $date -gt 0 ]; then
		date | tr '\n' '\r'
	else
		$echo "\000\c"
	fi
	sleep $delay
done