feat: Close-OpenXML ( Fixes #16 )

Author: StartAutomating

Commands/Close-OpenXML.ps1

@@ -0,0 +1,32 @@
+function Close-OpenXML {
+    <#
+    .SYNOPSIS
+        Closes OpenXML files
+    .DESCRIPTION
+        Closes OpenXML files and streams
+    #>
+    param(
+    [Parameter(ValueFromPipeline)]
+    [PSObject]
+    $InputObject
+    )
+
+    process {
+        if (-not $InputObject) { return }
+        if ($InputObject -isnot [IO.Packaging.Package]) { return  }
+        if ($InputObject.MemoryStream) { 
+            try {
+                $InputObject.MemoryStream.Close()
+            } catch {
+                $PSCmdlet.WriteError($_)
+            }            
+        }
+
+        try {
+            $InputObject.Close()
+        } catch {
+            $PSCmdlet.WriteError($_)
+        }        
+    }
+
+}