Seren autocalling local hosts using zeroconf/avahi

seren-zeroconf.sh

#!/usr/bin/bash
 
service="_seren._udp"
 
# Select a random host
host=$(avahi-browse -d local $service -tpr | grep ";$service;" | grep -e '^=;' | sort -R | head -n1)

avahi-publish -s "Seren for $(hostname)" $service 8110 &
pid=$!
if [ -z "$service" ]
then
  seren -a
else
  hostname=$(echo $host | cut -d\; -f7)
  seren -ac $hostname
fi
kill $pid