code: def parse_config_file(job, ids, input_args):
      
      samples = []
      config = input_args['config']
      with open(config, 'r') as f:
          for line in f.readlines():
              if not line.isspace():
                  sample = line.strip().split(',')
                  samples.append(sample)
      for sample in samples:
          job.addChildJobFn(download_sample, ids, input_args, sample)
docs: Launches pipeline for each sample.
  
      shared_ids: dict        Dictionary of fileStore IDs
      input_args: dict        Dictionary of input arguments