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Filename : split_env.sh
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#! /bin/sh

# groffer - display groff files

# Source file position: <groff-source>/contrib/groffer/split_env.sh
# Installed position: <prefix>/lib/groff/groffer/split_env.sh

# Copyright (C) 2006-2018 Free Software Foundation, Inc.
# Written by Bernd Warken <groff-bernd.warken-72@web.de>.

# This file is part of 'groffer', which is part of 'groff'.

# 'groff' 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.

# 'groff' 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/gpl-2.0.html>.

########################################################################

# This file is called from groffer.pl.  The environment variable
# of the name in $1 will be split at output.  The corresponding variable
# must be exported before the call of groffer.pl.

if test $# = 0
then
    echo 'split_env.sh was called without an argument.' >&2;
else
    eval v='"$'"$1"'"';
    if test _"$v"_ != __
    then
	eval set x $v;
	shift;
	for i in "$@";
	  do
	  echo $i;
	done;
    fi;
fi;