#
#
-require 5.10.1;
+require 5.8.1;
use warnings;
use vars qw($data $clusteraddr $clusterport);
# initialisation
#
-$clusteraddr //= '127.0.0.1';
-$clusterport //= 27754;
+$clusteraddr ||= '127.0.0.1';
+$clusterport ||= 27754;
$call = ""; # the callsign being used
$node = ""; # the node callsign being used