#!/usr/bin/env cwl-runner class: Workflow cwlVersion: v1.1 inputs: [] outputs: wc_output: type: File outputSource: step1/output steps: step0: run: null-expression3-tool.cwl in: [] out: [ output ] step1: run: wc-tool.cwl in: file1: source: step0/output default: class: File location: whale.txt out: [output]