Plot ping response times in ASCII graph.

.bashrc

function pingplot {
  local destination="$1"
  [[ -n $destination ]] || read -rp 'Ping host: ' destination;
  results="$(mktemp)";
  ping "$destination" | sed -ur 's/^PING.*//;s/.*seq=([0-9]+)/\1/;s/ttl.*time=([0-9]+).*/\1/' > "$results" &
  sleep 1 && pidof ping || { echo Something went wrong with the ping.; return 1; }
  watch "tail -100 "$results" | gnuplot -e \"set key off; set title 'Pinging: $destination'; set terminal dumb size $((COLUMNS - 5)) 25; plot '/dev/stdin' w lp;\"";
  kill %ping
  rm "$results"
}