How to force glob library to read over the files in alfabetical order for each name file?

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I have this little function that apply a regex to a set of documents over a directory:

def retrive(directory, a_regex):
    for filename in glob.glob(os.path.join(directory, '*.txt')):
        with open(filename, 'r') as file:
            important_stuff = re.findall(a_regex, file.read(), re.S)
            my_list = [tuple([j.split()[0] for j in i]) for i in important_stuff]
            # print my_list # old line
            print str(my_list).strip('[]') + filename.split('/')[-1]


lists_per_file = retrive(directory,regex_)

How can I "guarantee" or "force" retrive function to do its work in an alphabetical aproach (i.e. to apply the regex in alfabetical order for each file name). Thanks in advance guys!

asked 44 secs ago

newWithPython

83

How to force glob library to read over the files in alfabetical order for each name file?