title: how to check date output for each day in a specified range in linux command
body: <p>I have this command <code>date -d "-0 month -$(($(date +%d)-1)) days" +%Y%m%d</code>, and I like to know for all the days between 2014-Sep-1 and 2014-Sep-30, what the returned results will be.</p>
  
  <p>How to simulate this without changing my system clock?</p>