How Can I Recursively Find Files in Python?

Recursively Finding Files using Python

In Python, you can effectively retrieve all files in a directory and its subdirectories recursively, allowing for comprehensive file exploration.

One method involves utilizing pathlib.Path().rglob(). For directories with a depth of more than one level, this approach effectively retrieves all matching files. For instance, the following code snippet demonstrates its application:

from pathlib import Path

for path in Path('src').rglob('*.c'):
    print(path.name)

Alternatively, the glob.glob() function, coupled with the recursive=True argument, can be employed for recursive file searching:

from glob import glob

for filename in glob('src/**/*.c', recursive=True):
    print(filename) 

However, for scenarios where files starting with a dot (.e.g., hidden files) need to be included, os.walk() provides a viable solution:

import fnmatch
import os

matches = []
for root, dirnames, filenames in os.walk('src'):
    for filename in fnmatch.filter(filenames, '*.c'):
        matches.append(os.path.join(root, filename))

With these methods, you can efficiently navigate directory structures and retrieve files according to your specified criteria. Whether your files are nested deeply or include hidden items, Python provides robust tools for your file discovery needs.

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