def read_task_file_as_string(<EOL>batch_client, job_id, task_id, file_name, encoding=None):
stream = batch_client.file.get_from_task(job_id, task_id, file_name)<EOL>return _read_stream_as_string(stream, encoding)<EOL>
Reads the specified file as a string.
    Originally in azure-batch-samples.Python.Batch.common.helpers

    :param batch_client: The batch client to use.
    :type batch_client: `batchserviceclient.BatchServiceClient`
    :param str job_id: The id of the job.
    :param str task_id: The id of the task.
    :param str file_name: The name of the file to read.
    :param str encoding: The encoding of the file. The default is utf-8.
    :return: The file content.
    :rtype: str