title: Check folder size in Bash
body: <p>I'm trying to write a script that will calculate a directory size and if the size is less than 10GB,  and greater then 2GB do some action. Where do I need to mention my folder name?</p>
  
  <pre><code># 10GB
  SIZE="1074747474"
  
  # check the current size
  CHECK="`du /data/sflow_log/`"
  if [ "$CHECK" -gt "$SIZE" ]; then
    echo "DONE"
  fi
  </code></pre>