--- /dev/null
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+class: ExpressionTool
+cwlVersion: v1.2
+inputs:
+ f1: File
+ newname: string
+outputs:
+ out: File
+expression: |
+ ${
+ inputs.f1.basename = inputs.newname;
+ return {"out": inputs.f1};
+ }