task heredoc {
  File in

  command<<<
  python <<CODE
    with open("${in}") as fp:
      for line in fp:
        if not line.startswith('#'):
          print(line.strip())
  CODE
  >>>
}

java -jar wdltool.jar validate myWorkflow.wdl
java -jar wdltool.jar inputs myWorkflow.wdl > myWorkflow_inputs.json
java -jar Cromwell.jar run myWorkflow.wdl --inputs myWorkflow_inputs.json