Electric Imp imp API example code for imp.scanwifinetworks()

aysnc.wifican.device.nut

// Scan for local WLANs using imp.scanwifinetworks() asynchronously
try {
    imp.scanwifinetworks(function(networks) {
        if (networks.len() > 0) {
            foreach (index, network in networks) {
                server.log(format("%d. %s on channel %d", (index + 1), (network.ssid.len() > 0 ? network.ssid : "<Hidden>"), network.channel));
            }   
        } else {
            server.log("No nearby WiFi networks found");
        }
    });
} catch (err) {
    server.error("Could not scan for networks (Error: " + err + ")");
}