--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.7/site-packages/cwltool/tests/wf/updateval.cwl	Thu May 14 14:56:58 2020 -0400
@@ -0,0 +1,24 @@
+#!/usr/bin/env cwl-runner
+class: CommandLineTool
+cwlVersion: v1.0
+requirements:
+  InitialWorkDirRequirement:
+    listing:
+      - entry: $(inputs.r)
+        writable: true
+hints:
+  DockerRequirement:
+    dockerPull: "python:2.7.15-alpine3.7"
+inputs:
+  r: File
+  script:
+    type: File
+    default:
+      class: File
+      location: updateval.py
+outputs:
+  out:
+    type: File
+    outputBinding:
+      glob: $(inputs.r.basename)
+arguments: [python, $(inputs.script), $(inputs.r.basename)]