code: def nf_step_to_process(step, out_handle):
      
      pprint.pprint(step)
  
      directives = []
      for req in step["task_definition"]["requirements"]:
          if req["requirement_type"] == "docker":
              directives.append("container '%s'" % req["value"])
          elif req["requirement_type"] == "cpu":
              directives.append("cpus %s" % req["value"])
          elif req["requirement_type"] == "memory":
              directives.append("memory '%s'" % req["value"])
  
      task_id = step["task_id"]
      directives = "\n  ".join(directives)
      inputs = "\n    ".join(nf_io_to_process(step["inputs"], step["task_definition"]["inputs"],
                                          step["scatter"]))
      outputs = "\n    ".join(nf_io_to_process(step["outputs"], step["task_definition"]["outputs"]))
      commandline = (step["task_definition"]["baseCommand"] + " " +
                     " ".join([nf_input_to_cl(i) for i in step["task_definition"]["inputs"]]))
      out_handle.write(_nf_process_tmpl.format(**locals()))
docs: Convert CWL step into a nextflow process.