regional_resturants.py

import os
import re

def findfiles(path, regex):
    regObj = re.compile(regex)
    res = []
    for root, dirs, fnames in os.walk(path):
        for fname in fnames:
            if regObj.match(fname):
                res.append(os.path.join(root, fname))
    return res

def grep(filepath, word):
    res = []
    with open(filepath) as f:
        for line in f:
            if word in line:
                res.append(line)
    return res

files = findfiles('./data/brands', '')



def word_in_files(word):
    for f in files:
        found = grep(f, word)
        if found:
            #print(found)
            return True
    return False

with open('regional.txt') as file:
    lines = file.readlines()
    lines = [line.rstrip() for line in lines]
    missing = []
    for word in lines:
        if not word_in_files(word):
            missing.append(word)
    print("MISSING")
    print("\n".join(missing))