title: powershell: get-psdrive and where-object
body: <p>Im trying to find every drive letter that isnt "C,E,L,S,T,W" on a windows 2008 server.  Can anyone tell me the fault in my logic or how i can do this please?</p>
  
  <pre><code>[char[]]”CELSTW” | Where-Object {!(Get-PSDrive $_ )} 
  </code></pre>