search a string in the contents of all files of a path

search_in_path.py

import os
import re


def search_line(line, string_to_search):
    if re.search(r'\b' + string_to_search + r'\b', line, re.IGNORECASE):
        return True


def search_string(dir_path, string_to_search):

    files = [f for f in os.listdir(dir_path)]
    found = []
    for f in files:
        with open(dir_path + os.sep + f, "r") as file:
            for line in file:
                if search_line(line, string_to_search):
                    found.append(f)
                    break

    return found


print search_string(r"E:\smali\il\co\android\activities\login", "Logged in")