mqtt-rpc-client: fix default value of --args option #13
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Многие RPC методы не имеют параметров, но сейчас если не передать явно пустой объект
-a '{}', то в запросе будет"params": null, хотя согласно описанию формально там должно быть "JSON-объект или массив значений", но не null.Некоторые сервисы тем не менее понимают null в params:
mqtt-rpc-client -d wb-mqtt-serial -s ports -m Load [{"baud_rate": 115200, "data_bits": 8, "parity": "N", "path": "/dev/ttyRS485-1", "stop_bits": 2}, {"baud_rate": 9600, "data_bits": 8, "parity": "N", "path": "/dev/ttyRS485-2", "stop_bits": 2}]Но некоторые не понимают: