heateron.sh

#!/bin/bash

# LIMITS
SENSORIDX="5"
HEATERIDX="19"
# DEVICES
DOMIP="192.168.0.14"
MINTEMP="19.0"
MAXTEMP="19.0"

# END OF USER CONFIGURABLE PARAMS

while true
do

echo Reading temperature

TEMP=`curl -s "http://192.168.0.14:9010/json.htm?type=devices&rid=$SENSORIDX"|grep Temp|grep -v Type|awk '{print $3}' `


echo Temperature: $TEMP

 result=`expr $MINTEMP \> $TEMP`
  if [ "$result" -eq "1" ] ; then
    echo "Temperature is $TEMP and is lower than MIN ($MINTEMP) so I'm turning on heater"
    curl -s "http://192.168.0.14:9010/json.htm?type=command&param=switchlight&idx=$HEATERIDX&switchcmd=On&level=0"
  else
  result=`expr $TEMP \> $MAXTEMP`
    if [ "$result" -eq "1" ] ; then
      echo "Temperature is $TEMP and is higher than MAX ($MAXTEMP) so I'm turning off heater"
      curl -s "http://192.168.0.14:9010/json.htm?type=command&param=switchlight&idx=$HEATERIDX&switchcmd=Off&level=0"
    fi
  fi
  sleep 100     # 100 seconds

done