function Instance.host_instances( self )
local hosts_path = fs.glob(self._rrddir..'/*')
local hosts = { }
- k = 1
- for v in hosts_path do
- hosts[k] = fs.basename(v)
- k=k+1
+
+ if hosts_path then
+ local path
+ for path in hosts_path do
+ hosts[#hosts+1] = fs.basename(path)
+ end
end
return hosts