code: def test_file_reader_alias():
      fnames = g_files
  
      file_list = os.path.join(g_root, "list.txt")
      with open(file_list, "w") as f:
          for i, name in enumerate(fnames):
              f.write("{0} {1}\n".format(name, 10000 - i))
      new_pipe = file_pipe(fn.readers.file, file_list)
      legacy_pipe = file_pipe(fn.file_reader, file_list)
      compare_pipelines(
          new_pipe, legacy_pipe, batch_size_alias_test, 50
      )
  
imports: import glob
  import numpy
  import nvidia.dali.fn
  import os
  import random
  import tempfile
  from nvidia.dali import Pipeline, pipeline_def
  from nose_utils import assert_raises
  from test_utils import compare_pipelines
label_desc: Use image node_id 12 for calling a global function with example usage: test_file_reader_alias() without return types