changed: logging

changed: sort and deduplicate output
changed: "GruppenVerwaltungNEU..." output

Test-ScriptSyntax.ps1

@@ -0,0 +1,20 @@
+# Test-ScriptSyntax.ps1 - parses all .ps1 files without executing them
+param([string] $Path = ".")
+
+Get-ChildItem -Path $Path -Filter *.ps1 | ForEach-Object {
+  $tokens = $null
+  $errors = $null
+  [System.Management.Automation.Language.Parser]::ParseFile(
+    $_.FullName, [ref]$tokens, [ref]$errors) | Out-Null
+  if ($errors.Count -gt 0)
+  {
+    Write-Output "FAIL: $($_.Name) ($($errors.Count) Fehler)"
+    $errors | ForEach-Object {
+      Write-Output ("  Zeile {0}: {1}" -f $_.Extent.StartLineNumber, $_.Message)
+    }
+  }
+  else
+  {
+    Write-Output "OK:   $($_.Name)"
+  }
+}