Need help - passing a variable

[TJ Sullivan]

Have a very simple python script with a shell command calling mosquitto_pub.  Can not get it to pass the value of "test", which is just a simple integer.

test=1+n

n=n+1

os.system("mosquitto_pub -d -t test/topic -m test")

when i open a seperate window and subscribe to test/topic I only receive the word test not its integer value.  How do define the variable test??

Thanks in advance....

[Nicholas O'Leary]

You need to append the variable on to the end of the command string:

 test=1+n

 n=n+1

 os.system("mosquitto_pub -d -t test/topic -m "+test)

Nick

--
To learn more about MQTT please visit http://mqtt.org
---
You received this message because you are subscribed to the Google Groups "MQTT" group.
To unsubscribe from this group and stop receiving emails from it, send an email to mqtt+uns...@googlegroups.com.
To post to this group, send email to mq...@googlegroups.com.
Visit this group at https://groups.google.com/group/mqtt.
For more options, visit https://groups.google.com/d/optout.