luasocket/samples/daytimeclnt.lua

host = host or "127.0.0.1"
port = port or 13
if arg then
    host = arg[1] or host
    port = arg[2] or port
end
host = toip(host)
udp = udpsocket()
print("Using host '" ..host.. "' and port " ..port.. "...")
err = udp:sendto("anything", host, port)
if err then print(err) exit() end
dgram, err = udp:receive()
if not dgram then print(err) exit() end
write(dgram)
Initial revision 2001-01-25 22:59:39 +01:00			`host = host or "127.0.0.1"`
			`port = port or 13`
			`if arg then`
			`host = arg[1] or host`
			`port = arg[2] or port`
			`end`
			`host = toip(host)`
			`udp = udpsocket()`
			`print("Using host '" ..host.. "' and port " ..port.. "...")`
Updated to remove use of global methods. Conforming to LuaSocket release 1.2.1 2001-03-06 20:23:21 +01:00			`err = udp:sendto("anything", host, port)`
Initial revision 2001-01-25 22:59:39 +01:00			`if err then print(err) exit() end`
Updated to remove use of global methods. Conforming to LuaSocket release 1.2.1 2001-03-06 20:23:21 +01:00			`dgram, err = udp:receive()`
Initial revision 2001-01-25 22:59:39 +01:00			`if not dgram then print(err) exit() end`
			`write(dgram)`