support/printenv.sh

   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
  19 if [ $# -eq 0 ]; then
  20         env
  21         exit
  22 elif eval [ "\${$1-unset}" = "unset" ]; then
  23         exit 1
  24 else
  25         eval echo \$$1
  26         exit 0
  27 fi