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Automation & scripting

CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.

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Automation & scripting easy

How to rename music files by ID3 tags in Python

Renames MP3 files in a folder using artist and title extracted from ID3 tags, with a mock fallback that parses filenames.

file-renaming id3-tags mp3
Python 
import os
import re
from pathlib import Path

def sanitize_filename(name: str) -> str:
    return re.sub(r'[<>:"/\\|?*]', '_', name).strip()

def rename_mp3_from_id3(path: Path) -> None:
    for f in path.glob("*.mp3"):
        # Mock ID3 extraction: derive artist/title from filename
        stem = f.stem
        if "…
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