simplify hello.cwl

workflows/hello/hello.cwl

@@ -1,15 +1,8 @@
 #!/usr/bin/env cwl-runner
 
-
 - id: "#echocmd"
   class: CommandLineTool
-  inputs:
-    - id: "#echo-in"
-      type: string
-      label: "Message"
-      description: "The message to print"
-      default: "Hello World"
-      inputBinding: {}
+  inputs: []
   outputs:
     - id: "#echo-out"
       type: File
@@ -18,22 +11,7 @@
       outputBinding:
         glob: messageout.txt
   baseCommand: echo
-  stdout: messageout.txt
-
-- id: "#main"
-  class: Workflow
-  label: "Hello World"
-  description: "Puts a message into a file using echo"
-  inputs: []
-  outputs:
-    - id: "#main.output"
-      type: File
-      source: "#echocmd.echo-out"
-  steps :
-    - id: "#step0"
-      run: {import: "#echocmd"}
-      inputs: []
-      outputs:
-        - { id: "#echocmd.echo-out" }
-
-
+  arguments:
+   - Hello
+   - world
+   - "!"