How Can I Efficiently Iterate Through Files in a Directory?

Iterating Through Files in a Directory

When working with large or complex file systems, it often becomes necessary to iterate through all files within a specific directory. This can be achieved efficiently using various approaches.

One method involves employing the os module:

import os

directory = "/path/to/dir/"
for filename in os.listdir(directory):
    if filename.endswith(".asm") or filename.endswith(".py"):
        # Perform necessary actions on the file

Alternatively, you can utilize the pathlib module for a more comprehensive, recursive approach:

from pathlib import Path

pathlist = Path("/path/to/dir/").rglob("*.asm")
for path in pathlist:
    # Perform necessary actions on the file as a string

By selecting the appropriate method based on your specific requirements and task complexity, you can efficiently iterate through files within a given directory.

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