Tested and working.

examples/README.md

@@ -14,4 +14,6 @@ new benefits to the existing dashboards. When that happens I update them.
 Keeping an Example set allows you to update too, inspect the changes, and apply them
 to your own custom dashboards.
 
-This folder also contains an example configuration file and some dashboard screenshots.
+This folder also contains dashboard screenshots and example configuration files in four supported formats.
+You can use any format you want for the config file, just give it the appropriate prefix for the format.
+ie. an xml file should end with `.xml`.

examples/up.xml.example

@@ -7,9 +7,8 @@
 <interval>30s</interval>
 <max_errors>0</max_errors>
 <quiet>false</quiet>
-<sites>
-  <element>default</element>
-</sites>
+<sites>default</sites>
+<sites>site2</sites>
 <unifi_pass>4BB9345C-2341-48D7-99F5-E01B583FF77F</unifi_pass>
 <unifi_url>https://127.0.0.1:8443</unifi_url>
 <unifi_user>influxdb</unifi_user>

pkg/unifi-poller/unifi.go

@@ -22,6 +22,7 @@ func (u *UnifiPoller) CheckSites() error {
 	}
 	u.Logf("Found %d site(s) on controller: %v", len(msg), strings.Join(msg, ", "))
 	if StringInSlice("all", u.Sites) {
+		u.Sites = []string{"all"}
 		return nil
 	}
 FIRST: