others
#!/bin/sh
							# $Id$
							# Copyright (c) 2009-2013 Pierre Pronchery <khorben@defora.org>
							# This file is part of DeforaOS Unix others
							# This program is free software: you can redistribute it and/or modify
							# it under the terms of the GNU General Public License as published by
							# the Free Software Foundation, version 3 of the License.
							#
							# This program is distributed in the hope that it will be useful,
							# but WITHOUT ANY WARRANTY; without even the implied warranty of
							# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
							# GNU General Public License for more details.
							#
							# You should have received a copy of the GNU General Public License
							# along with this program. If not, see <http://www.gnu.org/licenses/>.
							#variables
							DELAY=2
							SLEEP="sleep"
							#functions
							#usage
							_usage()
							{
								echo "Usage: watch command..." 2>&1
								return 1
							}
							#main
							if [ $# -eq 0 -o "$1" = "-h" -o \( $# -eq 1 -a "$1" = "--" \) ]; then
								_usage
								exit $?
							fi
							[ "$1" = "--" ] && shift 1
							while true; do
								clear
								date
								echo
								echo "Every $DELAY seconds: $@"
								echo
								"$@"
								$SLEEP "$DELAY"
							done
							