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Read newline delimited data from stdin as a message and publish it to sensors/temperature topic
mosquitto_pub
A simple MQTT version 3.1.1 client that will publish a single message on a topic and exit.
More information: <https://mosquitto.org/man/mosquitto_pub-1.html>.
Trick copyright:
tl;dr; <
https://github.com/tldr-pages/tldr
>
{{echo data.txt}} | mosquitto_pub -t {{sensors/temperature}} -l
click the source code to copy
install
mosquitto_pub
on any operating system with
command-not-found.com