starting mongo on OSX

mongo.sh

#!/bin/bash

#MongoDB startup script with status and proper lockfile removing
#Version 1.0.1 20-nov-2011 Rene Bakx (rene@71media.net)
#Created on OS-X 10.7 but should work on other versions 


if [ -z $1 ] ; then
  echo "Usage: $0 [start|stop|restart|status] "
  exit 1
fi

# Source the common setup functions for startup scripts
test -r /etc/rc.common || exit 1
. /etc/rc.common

# Set up some defaults
DBPATH="/Users/rene/Sites/mongodb/data"
LOGPATH="/Users/rene/Sites/mongodb/mongodb.log"
MONGOD_PORT=27017
PIDFILE=$DBPATH/mongod.lock
pid=""

StartService(){
	/Users/rene/Sites/mongodb/bin/mongod run --dbpath=$DBPATH --logpath=$LOGPATH --port $MONGOD_PORT > /dev/null 2>&1 &
    sleep 1
 	getPID
	echo "Started mongo on pid $pid"
}

getPID(){
	# If the lockfile exists, it contains the PID
	if [ -e $PIDFILE ]; then
		pid=`cat $PIDFILE`
	fi

	# If we don't have a PID, check for it
	if [ "$pid" == "" ]; then
		pid=`/usr/sbin/lsof -i tcp:$MONGOD_PORT | tail -1 | awk '{print $2}'`
	fi
	
	# There's no pid, mongo is not running
	if [ "$pid" == "" ]; then
		echo "Mongo is not running"
		exit 0;
	fi
}
StopService() {
	getPID
	# If we've found a PID, let's kill it
	if [ "$pid" != "" ]; then
		kill -3 $pid      
		echo "Stopped mongo on pid $pid"
		if [ -e $PIDFILE ]; then
			pid=`rm $PIDFILE`
		fi
	fi
}

RestartService() {
	StopService
	sleep 3
	StartService
}

StatusService(){
	getPID
	# If we've found a PID, let's kill it
	if [ "$pid" != "" ]; then
		echo "Mongo is running on pid $pid"
	fi
}

    case $1 in 
      start  ) StartService   ;;
      stop   ) StopService    ;;
      restart) RestartService ;;
	  status)  StatusService ;;
      *      ) echo "$0: unknown argument: $1";;
    esac