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check_windows_updates.ps1

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+<#
+.VERSION
+1.1.0
+
+.AUTOR
+John Gonzalez
+#>
+
+$script = "check_windows_updates.ps1"
+$version = "1.1.0"
+$author = "John Gonzalez"
+
+if ($args.Contains("-v")) {
+    Write-Host "$script - $author - $version"
+    exit 0
+}
+
+# Check for available updates
+$updateSession = New-Object -ComObject Microsoft.Update.Session
+$updateSearcher = $updateSession.CreateUpdateSearcher()
+$updates = $updateSearcher.Search("IsInstalled=0")
+
+# Determine status based on number and severity of updates
+
+# Filter les mises à jour téléchargées
+$downloadedUpdates = $updates.Updates | Where-Object {$_.IsDownloaded -eq $true}
+
+# Filtrer les mises à jour installées
+$installedUpdates = $updates.Updates | Where-Object {$_.IsInstalled -eq $true}
+
+# Obtenir le nombre de mises à jour disponibles
+$updateCount = $downloadedUpdates.Count
+
+# Obtenir le nombre de mises à jour critiques et importantes
+$criticalCount = $downloadedUpdates | Where-Object {$_.MsrcSeverity -ge "Critical" -and $_.IsHidden -eq $false} | Measure-Object | Select-Object -ExpandProperty Count
+$importantCount = $downloadedUpdates | Where-Object {$_.MsrcSeverity -eq "Important" -and $_.IsHidden -eq $false} | Measure-Object | Select-Object -ExpandProperty Count
+
+# Set the exit code and message based on the number and severity of updates
+
+if ($updateCount -eq 0) {
+    Write-Host "No updates available."
+    exit 0
+} elseif ($importantCount -eq 0 -and $criticalCount -eq 0) {
+    Write-Host "$updateCount Windows updates are available. No updates are important or critical."
+    exit 1
+} else {
+    Write-Host "$updateCount Windows updates are available. $importantCount are important and $criticalCount are critical."
+    exit 2
+}