from typing import Set


def get_progress(log_file: str) -> Set[str]:
    """
    Load the progress log file, get the list of files.

    Strip off any comment at the end of the filename.
    """
    try:
        with open(log_file, 'r') as progress_log:
            done_files = {f.split(' // ')[0].strip() for f in progress_log.readlines()}
            return done_files
    except FileNotFoundError:
        return set()