Ping flood a remote destination and log the results

pings.sh

#!/bin/bash

date=$(date '+%Y-%m-%dT%H:%M:%S%z')
data=$(ping -nfqc1000 '2606:4700:4700::1111')

IFS=' ' read min avg max mdev <<<"$(printf '%s' "$data" | grep rtt | sed 's|.* = \([0-9.]*\)/\([0-9.]*\)/\([0-9.]*\)/\([0-9.]*\) ms.*|\1 \2 \3 \4|')"
loss=$(printf '%s' "$data" | grep 'packet loss' | sed 's/.*, \([0-9.]*\)\% packet loss.*/\1/')

printf '{"date":"%s","min":%s,"avg":%s,"max":%s,"mdev":%s,"ploss":%s}\n' "$date" "${min:-null}" "${avg:-null}" "${max:-null}" "${mdev:-null}" "${loss:-null}"