Updates_Hotfix_Enumerator.ps1

# Gives a list of all Microsoft Updates sorted by KB number/HotfixID
# By Tom Arbuthnot. Lyncdup.com

     

$wu = new-object -com “Microsoft.Update.Searcher”
$totalupdates = $wu.GetTotalHistoryCount()

     
$all = $wu.QueryHistory(0,$totalupdates)

# Define a new array to gather output

$OutputCollection=  @()

                 
Foreach ($update in $all)

        {

        $string = $update.title

     

        $Regex = “KB\d*”

        $KB = $string | Select-String -Pattern $regex | Select-Object { $_.Matches }

     

         $output = New-Object -TypeName PSobject

         $output | add-member NoteProperty “HotFixID” -value $KB.‘ $_.Matches ‘.Value

         $output | add-member NoteProperty “Title” -value $string

         $OutputCollection += $output

     

        }

     
# Oupput the collection sorted and formatted:

$OutputCollection | Sort-Object HotFixID | Format-Table -AutoSize

Write-Host “$($OutputCollection.Count) Updates Found”

# If you want to output the collection as an object, just remove the two lines above and replace them with “$OutputCollection”

     

# credit/thanks:

# http://blogs.technet.com/b/tmintner/archive/2006/07/07/440729.aspx

# http://www.gfi.com/blog/windows-powershell-extracting-strings-using-regular-expressions/