start-stop-daemon version of the newznab update script

newznabd.sh

#!/bin/sh
#
# Ian - 16/11/2011
# /etc/init.d/newznab: start and stop the newznab update script
#
# run update-rc.d newznab_ubuntu.sh defaults


### BEGIN INIT INFO
# Provides:          Newznab
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start newznab at boot time
# Description:       Enable newznab service provided by daemon.
### END INIT INFO


# Newznab variables 
NN_PATH="/usr/share/newznab/misc/update_scripts"
NN_BINUP="update_binaries.php"
NN_RELUP="update_releases.php"
NN_SLEEP_TIME="600" # in seconds . 10sec is good for 100s of groups. 600sec might be a good start for fewer.

DESC="Newznab binaries update"
PHP_BIN="/usr/bin/php"
DAEMON=`while (true);do ${PHP_BIN} ${NN_BINUP} && ${PHP_BIN} ${NN_RELUP} ; sleep ${NN_SLEEP_TIME} ; done`
PID_FILE="/var/run/newznab_binup.pid"
RUN_AS="www-data"

test -f /lib/lsb/init-functions || exit 1
. /lib/lsb/init-functions

case "$1" in
	start)
		echo -n "Starting $DESC"
		# --quiet --background
		start-stop-daemon -d $NN_PATH -c $RUN_AS --start --make-pidfile --pidfile $PID_FILE --exec $DAEMON
		;;
	stop)
		echo -n "Stopping $DESC"
		start-stop-daemon --stop --pidfile $PID_FILE --retry 15
		;;
	*)
		echo "Usage: $0 [start|stop]"
		exit 1
esac