Local IP Address

get_ip.rb

#!/usr/bin/env ruby

require 'socket'
require "/home/pi/projects/lcd/lcd"

def local_ip(target)
    # turn off reverse DNS resolution
    bdns, Socket.do_not_reverse_lookup = Socket.do_not_reverse_lookup, true

    UDPSocket.open do |s|
        s.connect target, 8000
        s.addr.last
    end
ensure
    # restore DNS resolution
    Socket.do_not_reverse_lookup = bdns
end