import os
from os import sep
from os.path import join, split
from subprocess import check_output


def run_script(file_path):
    try:
        result = str(check_output(['file', file_path]))
    except Exception as e:
        result = str(e)

    return result


def check_dicoms(path):
    itemlist = []
    tabs = ["\t"]

    with open('log.txt', 'w') as h:
        h.write("\n")

    for root, dirs, files in os.walk(path):
        print(root)

        rspit = split(root)
        ntabs = rspit[0].count(sep)
        croot = rspit[1]

        itemlist.append(''.join(tabs * ntabs + [croot]))
        ntabs += 1

        for filename in files:
            if filename == 'v_headers' or filename == 'v_headers.index':
                continue
            row = [filename, ' - ', run_script(os.path.join(root, filename))]
            itemlist.append(''.join(tabs * ntabs + row))

    with open('log.txt', 'a') as h:
        h.write("\n".join(itemlist))

check_dicoms('asd')