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15 lines
375 B
Lua
15 lines
375 B
Lua
host = host or "127.0.0.1"
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port = port or 13
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if arg then
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host = arg[1] or host
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port = arg[2] or port
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end
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host = socket.toip(host)
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udp = socket.udp()
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print("Using host '" ..host.. "' and port " ..port.. "...")
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err = udp:sendto("anything", host, port)
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if err then print(err) exit() end
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dgram, err = udp:receive()
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if not dgram then print(err) exit() end
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io.write(dgram)
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