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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

Bulk Rename Files in Python with Regex Replacement

Renames every file in a directory by applying a regex substitution to its filename using Python's stdlib re and pathlib.

automation regex pathlib
Python 
import re
from pathlib import Path

def bulk_rename_regex(directory, pattern, replacement):
    path = Path(directory)
    renamed = []
    for file in path.iterdir():
        if file.is_file():
            new_name = re.sub(pattern, replacement, file.name)
            if new_name != file.name:
                new_pat…
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