#!/usr/bin/env cwl-runner cwlVersion: v1.0 class: Workflow requirements: - class: ScatterFeatureRequirement inputs: wfmessages: string[] outputs: out_files: outputSource: echo/echoed type: items: File type: array steps: echo: run: tools/echo.cwl in: message: wfmessages out: - echoed scatter: [message] scatterMethod: nested_crossproduct