functions.sh

#!/bin/bash -e
#
# Copyright © 2008  Andres Salomon <dilinger@queued.net>
#
# This file 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

check_for_cmds()
{
	for cmd in $@; do
		which $cmd >/dev/null || {
			echo "Missing required command '$cmd'!" 1>&2
			return 1
		}
	done

	return 0
}