27 lines
848 B
Bash
Executable file
27 lines
848 B
Bash
Executable file
#! /bin/sh -
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# Copyright (C) 1996-2002 Free Software Foundation, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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if [ $# -eq 0 ]; then
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env
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exit
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elif eval [ "\${$1-unset}" = "unset" ]; then
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exit 1
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else
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eval echo \$$1
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exit 0
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fi
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