--- /dev/null
+#!/bin/sh
+
+. /etc/bt-proximity.conf
+
+host=`hostname`
+
+hciconfig hci0 up
+
+cat $1 | while read mac user
+do
+
+ if [ "$mac" != "" ]
+ then
+ l2ping -c 2 -t 10 $mac
+ if [ "$?" = "0" ]
+ then
+ mosquitto_pub -h $mqtt_host -p $mqtt_port -u $mqtt_user -P $mqtt_passwd -t $mqtt_topic/$user -m $host
+ fi
+ fi
+
+done