#!/bin/bash

while true; do
  printf ' %s, %sGB \n' \
    "$(date '+%H:%M:%S')" \
    "$(printf 'scale=2; %s/1024/1024' "$(cat /proc/meminfo | grep -i 'MemAvailable.*kB' | grep -oE '[01-9]+')" | bc)"
  sleep 1
done | ./top_right_indicator