module IPScanner

# File lib/networkwatcherd/ipscanner.rb, line 4
def self.network_devices(nd,ip_pattern)
        (1..nd).each do |n|
                ip = "#{ip_pattern}.#{n}"
                output = `ping -c1 #{ip}`
                data = output.split
                #p data[12]
                if data[12] != "Unreachable"
                        device_raw_ip = data[1]
                        if device_raw_ip != nil
                                device = NetworkDevices.new(device_raw_ip)
                                yield device
                        end
                end
                        #p n
                end

end