zabbix-agent-addons/zabbix_scripts/disco_nut_ups

#!/usr/bin/perl -w

use JSON;

my $json;
@{$json->{data}} = ();

if (system("upsc -l >/dev/null 2>&1") == 0){
    foreach my $ups (`upsc -l`){
        chomp($ups);
        push @{$json->{data}}, {"{#UPSNAME}" => $ups};
    }
}
print to_json($json);
exit(0);