1#! /bin/sh -
2
3# Copyright (C) 1996-2002 Free Software Foundation, Inc.
4#
5#   This program is free software: you can redistribute it and/or modify
6#   it under the terms of the GNU General Public License as published by
7#   the Free Software Foundation, either version 3 of the License, or
8#   (at your option) any later version.
9#
10#   This program is distributed in the hope that it will be useful,
11#   but WITHOUT ANY WARRANTY; without even the implied warranty of
12#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13#   GNU General Public License for more details.
14#
15#   You should have received a copy of the GNU General Public License
16#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
17#
18
19if [ $# -eq 0 ]; then
20	env
21	exit
22elif eval [ "\${$1-unset}" = "unset" ]; then
23	exit 1
24else
25	eval echo \$$1
26	exit 0
27fi
28