Something

#!/bin/sh
#
#	Startmux - Kick off the netmux process.
#
PATH=/usr/ucb:/bin:/usr/bin:.; export PATH
#
. mux.config
#
#	Make sure there isn't already a MUX running.
#
if [ -r "$PIDFILE" ]; then
    oldpid=`cat $PIDFILE`
    if [ "$oldpid" -gt 1 ]; then
        nmux=`ps | grep $oldpid | grep netmux | wc -l`
        if [ "$nmux" -gt 0 ]; then
            echo "The MUX already seems to be running."
            exit 0
        fi
    fi
fi
#
#	Save a copy of the previous input database.
#
if [ -r $DATA/$INPUT_DB ]; then
	mv -f $DATA/$INPUT_DB $DATA/$SAVE_DB
fi
#
#	If we have a good checkpoint database, make it the input database.
#	If not, use the backup of the input database.
#
if [ -r $DATA/$NEW_DB ]; then
	mv $DATA/$NEW_DB $DATA/$INPUT_DB
elif [ -r $DATA/$SAVE_DB ]; then
	cp $DATA/$SAVE_DB $DATA/$INPUT_DB
fi
#
#	Remove the restart db if there is one.
#
if [ -r restart.db ]; then
	rm restart.db
fi

#
#	Refuse to start if CRASH databases are present.
#
if [ -r $DATA/$INPUT_DB.CRASH ]; then
	echo "There is a CRASH database present." 
	echo "You should salvage what you can before continuing."
	exit 1
fi

#
#	Kick off MUX
#
(nohup $BIN/netmux -c $GAMENAME.conf -p $PIDFILE >/dev/null 2>&1 &)