diff --git a/powershell/dirsum.ps1 b/powershell/dirsum.ps1
new file mode 100644
index 0000000..bea30ef
--- /dev/null
+++ b/powershell/dirsum.ps1
@@ -0,0 +1 @@
+Get-ChildItem . | % { $f = $_ ;  get-childitem -r $_.FullName | measure-object -property length -sum | select @{Name="Name";Expression={$f}},Sum}