#!/usr/bin/env sh
set -e

case $BLOCK_BUTTON in
  1) notify-send --urgency=low \
        "Memory status"        \
        "$(free -h | \
           awk '/total/   {printf "%15s%10s%10s\n",     $1, $2, $3}
                /Mem|Swap/{printf "%-5s%10s%10s%10s\n", $1, $2, $3, $4}')"
          ;;
esac

free -h | awk '/Mem/{print "[" $3 " RAM " $2 "]" }'