#   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/>.
#
: ${TMPDIR:=/var/tmp}
TMPFILE=$TMPDIR/foo

bar()
{
exec {v}>$TMPFILE
echo $v
}

bar

echo foo 1 >&$v
echo foo 2 >&$v
echo foo 3 >&$v

cat $TMPFILE
rm -f $TMPFILE

type bar
exec {v}>&-

readonly v=42
bar

echo foo 1 2>&1 >&$v | { grep -q '\$v: Bad' || echo 'bad foo 1'; }
echo foo 2 2>&1 >&$v | { grep -q '\$v: Bad' || echo 'bad foo 2'; }
echo foo 3 2>&1 >&$v | { grep -q '\$v: Bad' || echo 'bad foo 3'; }

cat $TMPFILE
rm -f $TMPFILE

type bar

${THIS_SH} ./vredir1.sub

${THIS_SH} ./vredir2.sub

${THIS_SH} ./vredir3.sub

${THIS_SH} ./vredir4.sub

${THIS_SH} ./vredir5.sub

${THIS_SH} ./vredir6.sub

${THIS_SH} ./vredir7.sub
${THIS_SH} ./vredir8.sub

exit 0