mirror of https://github.com/n-hys/bash.git
28 lines
848 B
Bash
Executable File
28 lines
848 B
Bash
Executable File
#! /bin/sh -
|
|
|
|
# Copyright (C) 1996-2002 Free Software Foundation, Inc.
|
|
#
|
|
# 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, either version 3 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, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
if [ $# -eq 0 ]; then
|
|
env
|
|
exit
|
|
elif eval [ "\${$1-unset}" = "unset" ]; then
|
|
exit 1
|
|
else
|
|
eval echo \$$1
|
|
exit 0
|
|
fi
|