TomWagg

import re
import argparse

def collect_all_bibs(bib_files):
    # regex for anything that matches "@[some word]{[something],"
    bibtex_key_regex = r"@\w*{.*(?=\,)"

    # convert strings to lists in case only one file
    if isinstance(bib_files, str):
        bib_files = [bib_files]