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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/>.
#
NJOB=8
i=0
while [ $i -lt $NJOB ]
do
/bin/sh -c "sleep 4; exit 0" &
rv=$?
pid=$!
eval bg_pid_$i=$pid
# echo $$: Job $i: pid is $pid rv=$rv
i=$((i + 1))
done
i=0
while [ $i -lt $NJOB ]
do
eval wpid=\$bg_pid_$i
echo Waiting for job $i #'('pid $wpid')'
wait $wpid
rv=$?
echo job $i returns $rv
i=$((i + 1))
done
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