Reference library

Automation & scripting

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

1 match
Automation & scripting easy

How to Hash Duplicate Photos and Delete Copies in Python

This script hashes image files in a directory using SHA-256 and deletes duplicate copies while keeping the first occurrence, ideal for cleaning up photo libraries.

hashlib deduplication file-automation
Python 
from pathlib import Path
import hashlib

def file_hash(path, chunk_size=8192):
    hasher = hashlib.sha256()
    with open(path, "rb") as f:
        for chunk in iter(lambda: f.read(chunk_size), b""):
            hasher.update(chunk)
    return hasher.hexdigest()

def delete_duplicate_photos(directory):
    directory …
14 0 Open

Browse by section

Each section groups closely related Python snippets.

Automation & scripting — Python code examples

What you will find here

This page collects automation & scripting snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.

Related coding tools

Free online Python IDE Write and run Python in your browser — no install. Free Python code formatter Format with autopep8 — side-by-side PEP 8 cleanup. Python code samples Copy-ready snippets to study and run in the IDE.