Shellsensor of a another pi

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Hi,
i need help. My gascounter change from pimatic pi to a old pi b. How can i over a shellsensor read the counter?

The old config on my pimatic pi work with this command:

rrdtool lastupdate /home/pi/hmc5883-gas-counter/count.rrd | tail -1 | cut -d ':' -f 2 | cut -d ' ' -f 2

With this command i haven´t a output:

sshpass -p '<raspberry>' ssh -o StrictHostKeyChecking=no <pi>@<192.168.2.6> 'rrdtool lastupdate /home/pi/hmc5883-gas-counter/count.rrd | tail -1 | cut -d ':' -f 2 | cut -d ' ' -f 2

MfG.

@jens why dont you use the rest api to update the variable in your new pimatic?

Hi,
with google i work now with this command:

while foo=0; do rrdtool lastupdate /home/pi/hmc5883-gas-counter/count.rrd | tail -1 | cut -d ':' -f 2 | cut -d ' ' -f 2 | mosquitto_pub -p 1883 -h 192.168.2.8 -u pimatic -P Saxonia1 -t /sensor/GAS --stdinleep 2; done

MfG, Jens.