tracker.sh

#!/bin/bash
exec 2> /dev/null
# trap ctrl-c and call ctrl_c()
trap ctrl_c INT

function ctrl_c() {
        echo "** Trapped CTRL-C"
        exit 0
}

ssh root@10.0.0.1
file=$1;
#touch $file
## shellcheck disable=SC2034
#while ( (i=7;i<=12;i++) ); do
#  sleep 3s;
#  rssi=`iw dev wlan0 station dump | grep "signal:" | tail -n 1 | awk '{print $2}'`;
#  echo $rssi >> $file;
#done
while true; do
  # ts=$(python3 -c 'import datetime; print(datetime.datetime.now().strftime("%s.%f"))')
  # echo $ts, $(ssh root@10.0.0.1 iw dev wlan0 station dump | grep "signal:" | tail -n 1 | awk '{print $2}') >> $file
  # echo $ts, $(ssh root@10.0.0.1 -q iw dev wlan0 station dump | grep "signal:" | tail -n 1 | awk '{print $2}')
  # echo 1 >> $file
  echo $(ssh root@10.0.0.1 iw dev wlan0 station dump | grep "signal:" | tail -n 1 | awk '{print $2}') >> $file
  # echo "$(ssh root@10.0.0.1 -q iw dev wlan0 station dump | grep "signal:" | tail -n 1 | awk '{print $2}')"
  sleep 1s;
done