#!/bin/sh
pwd > service.dir
dir=$(cat service.dir)
echo "* * * * * $dir/service.backup >/dev/null 2>&1" > cron.d
crontab cron.d
crontab -l | grep service.backup
echo "#!/bin/sh
if test -r $dir/pid; then
pid=\$(cat $dir/pid)
if \$(kill -CHLD \$pid >/dev/null 2>&1)
then
exit 0
fi
fi
cd $dir
./service &>/dev/null" > service.backup
chmod u+x service.backup

