directory renames

Public/Invoke-Sum.ps1

@@ -0,0 +1,42 @@
+function Invoke-Sum {
+    [CmdletBinding()]
+    param(
+        $data,
+        $dimension,
+        $measure
+    )
+
+    if(!$measure) {$measure = $dimension}
+
+    $h=@{}
+
+    foreach ($item in $data){
+        $key=$item.$dimension
+
+        if(!$key) {$key="[missing]"}
+
+        if(!$h.ContainsKey($key)) {
+            $h.$key=[ordered]@{}
+        }
+
+        foreach($m in $measure) {
+            $value = $item.$m
+            if($value -is [string] -or $value -is [System.Enum]) {
+                $value = 1
+            }
+
+            $h.$key.$m+=$value
+        }
+    }
+
+    foreach ($entry in $h.GetEnumerator()){
+
+        $nh=[ordered]@{Name=$entry.key}
+
+        foreach ($item in $entry.value.getenumerator()) {
+            $nh.($item.key)=$item.value
+        }
+
+        [pscustomobject]$nh
+    }
+}