title: Increment using 2 digit number
body: <p>I have the following to code to append incremental number to the beggining of each filename. How can I make it start with 01 instead of 1.</p>
  
  <pre><code>$files = Get-ChildItem "C:\test"
  
  $i = 1
  foreach ($file in $files) {
      $newname = "$i" + $file
      Rename-Item $($file.FullName) $newname
      $i++
  }
  </code></pre>