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| 1 | #! /bin/sh -
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| 2 |
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| 3 | # Copyright (C) 1996-2002 Free Software Foundation, Inc.
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| 4 | #
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| 5 | # This program is free software; you can redistribute it and/or modify
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| 6 | # it under the terms of the GNU General Public License as published by
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| 7 | # the Free Software Foundation; either version 2, or (at your option)
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| 8 | # any later version.
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| 9 | #
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| 10 | # This program is distributed in the hope that it will be useful,
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| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | # GNU General Public License for more details.
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| 14 | #
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| 15 | # You should have received a copy of the GNU General Public License
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| 16 | # along with this program; if not, write to the Free Software
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| 17 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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| 18 |
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| 19 | if [ $# -eq 0 ]; then
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| 20 | env
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| 21 | exit
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| 22 | elif eval [ "\${$1-unset}" = "unset" ]; then
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| 23 | exit 1
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| 24 | else
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| 25 | eval echo \$$1
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| 26 | exit 0
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| 27 | fi
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