--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.7/site-packages/cwltool/tests/wf/revtool.cwl	Sat May 02 07:14:21 2020 -0400
@@ -0,0 +1,40 @@
+#!/usr/bin/env cwl-runner
+#
+# Simplest example command line program wrapper for the Unix tool "rev".
+#
+class: CommandLineTool
+cwlVersion: v1.0
+doc: "Reverse each line using the `rev` command"
+$schemas:
+  - empty.ttl
+
+# The "inputs" array defines the structure of the input object that describes
+# the inputs to the underlying program.  Here, there is one input field
+# defined that will be called "input" and will contain a "File" object.
+#
+# The input binding indicates that the input value should be turned into a
+# command line argument.  In this example inputBinding is an empty object,
+# which indicates that the file name should be added to the command line at
+# a default location.
+inputs:
+  revtool_input:
+    type: File
+    inputBinding: {}
+
+# The "outputs" array defines the structure of the output object that
+# describes the outputs of the underlying program.  Here, there is one
+# output field defined that will be called "output", must be a "File" type,
+# and after the program executes, the output value will be the file
+# output.txt in the designated output directory.
+outputs:
+  revtool_output:
+    type: File
+    outputBinding:
+      glob: output.txt
+
+# The actual program to execute.
+baseCommand: rev
+
+# Specify that the standard output stream must be redirected to a file called
+# output.txt in the designated output directory.
+stdout: output.txt