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Shell Script to subscribe to MQTT and execute a callback
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#!/bin/bash | |
# This script subscribes to a MQTT topic using mosquitto_sub. | |
# On each message received, you can execute whatever you want. | |
while true # Keep an infinite loop to reconnect when connection lost/broker unavailable | |
do | |
mosquitto_sub -h "127.0.0.1" -t "test" | while read -r payload | |
do | |
# Here is the callback to execute whenever you receive a message: | |
echo "Rx MQTT: ${payload}" | |
done | |
sleep 10 # Wait 10 seconds until reconnection | |
done # & # Discomment the & to run in background (but you should rather run THIS script in background) |
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