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# 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/>.
#
# tests of ksh93-like dup-and-close redirection operators
exec 9<$0
f()
{
exec 5<$0
exec 0<&5-
while read line; do
echo "$line"
done
}
f
typeset -f f
# make sure it was closed
read -u 5 foo 2>&1 | grep -q 'invalid file descriptor'
echo after read
exec 5<&0
exec <&-
read abcde 2>&1 | grep -q 'read error'
exec 0<&9-
read line
echo $line
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