String, number outputs using evalFrom

[mr-c]

cwlVersion: v1.0  # or v1.1
class: CommandLineTool
requirements:
  InlineJavascriptRequirement: {}

baseCommand: [ echo, "42" ]

inputs: []

stdout: my_number.txt

outputs:
  my_number:
    type: int
    outputBinding:
       glob: my_number.txt
       loadContents: True
       outputEval: $(parselnt(self[0].contents))

  my_number_as_string:
    type: string
    outputBinding:
       glob: my_number.txt
       loadContents: True
       outputEval: $(self[0].contents)