--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.7/site-packages/cwltool/tests/secondary-files.cwl	Sat May 02 07:14:21 2020 -0400
@@ -0,0 +1,36 @@
+#!/usr/bin/env cwl-runner
+
+cwlVersion: v1.1.0-dev1
+
+requirements:
+  - class: InlineJavascriptRequirement
+  - class: ShellCommandRequirement
+
+class: CommandLineTool
+
+inputs:
+  fasta_path:
+    type: File
+    secondaryFiles:
+      - pattern: ^.fastq
+        required: true
+      - pattern: .crai
+        required: false
+      - .bai?
+      - pattern: "${ return null }"
+
+outputs:
+  bai_list:
+    type: File
+    outputBinding:
+      glob: lsout
+    secondaryFiles:
+      - .bai?
+      - pattern: "${ return null }"
+      - pattern: .crai
+        required: false
+      - pattern: .idx
+
+baseCommand: ["ls"]
+
+stdout: lsout
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