A little script to monitor my network connection

pingstats.sh

#!/bin/bash

# Add to crontab, e.g.: 
#
# *   *  *   *   *   $HOME/cron/pingstats.sh

IP1=84.xx.20.yy
IP2=129.xx.30.yy
IP3=84.xx.64.yy

LOGFILE=$HOME/stats/pingstats-$(date +"%Y-%m-%d").csv

TMPFILE=/tmp/pingresult-$(date +%s)

function doping {
  /sbin/ping -t 10 $1 > $TMPFILE
  LOSS=$((grep transmitted $TMPFILE || echo NaN) | cut -d\  -f7)
  TIME=$((grep stddev $TMPFILE || echo NaN) | cut -d/ -f5)
  rm $TMPFILE
  echo $LOSS $TIME
}

if [ ! -f $LOGFILE ]; then 
  echo date time $IP1 avg $IP2 avg $IP3 avg > $LOGFILE
fi

echo $(date +"%Y-%m-%d %H:%M:%S") $(doping $IP1) $(doping $IP2) $(doping $IP3) >> $LOGFILE