#!/usr/bin/env cwl-runner class: Workflow cwlVersion: v1.1 requirements: - class: MultipleInputFeatureRequirement inputs: file1: type: File[] file2: type: File[] outputs: count_output: type: int outputSource: step1/output steps: step1: run: wc3-tool.cwl in: file1: source: [file1, file2] linkMerge: merge_flattened out: [output]