title: Compare two CSV and export only a list of names that don't exist in both
body: <p>I have 2 CSV files with user names.<br>
  I want to export just the names of users who don't exist in both files.</p>
  
  <p>The code I have now:</p>
  
  <pre><code>$file1 = import-csv -Path "C:\ps\output\adusers.csv" 
  $file2 = import-csv -Path "C:\ps\output\users.csv" 
  Compare-Object $file1 $file2 -property name | Export-Csv -NoTypeInformation -Path "C:\ps\result\result.csv"
  </code></pre>