#!/bin/sh

MEMORY_USED=$(free -m | gawk 'NR==2 {print $3}')
if [ $MEMORY_USED -gt 1024 ]; then
  MEMORY_USED="$(echo "scale=1; $MEMORY_USED / 1024" | bc)G"
else 
  MEMORY_USED="$MEMORY_USEDM"
fi
echo $MEMORY_USED