epos_accept_single_url_curl.cwl

#!/usr/bin/env cwl-runner
cwlVersion: v1.0
class: Workflow

# author KNMI EPOS Team
label: "epos single download"
doc: "EPOS-IT Curl Workflow: downloads data based on curl input."

# use epos_imputs.yml for demo

inputs:
  message: string

outputs:
  download:
    type: File        
    outputSource:  "#step1/curl"

steps:
  step0:
    run:
      class: CommandLineTool

      # generate fileout 

      baseCommand: [ 'mktemp' ,'download.epos.XXXXXXXX']


      inputs: []

      outputs:
        uuid: 
          type: File
          outputBinding:
            glob: 'download.epos.*'


    in: []
    out: [uuid] # fileout

  step1:
    run:
      class: CommandLineTool

      # download via curl to fileout location

      baseCommand: [ 'curl' ]

      inputs:
        url: 
          type: string
          inputBinding:
            position: 1

        fileout: 
          type: File

      stdout: $(inputs.fileout.basename)

      outputs:
        curl:
          type: File        
          outputBinding:  
              glob: $(inputs.fileout.basename)

    in:
      url: message
      fileout: step0/uuid

    out: [curl]