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

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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

Automation & scripting easy

How to Scan Files Against a Malware Hash List in Python

Compare a file's SHA-256 hash against a known malware hash set and report whether it's clean or infected.

hashlib file-scanning security

Python

import hashlib
from pathlib import Path

# Mock file content (in real usage, read from disk)
MOCK_FILE_CONTENT = b"print('hello world')"

KNOWN_MALWARE_HASHES = {
    "8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92",
    "5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8",
}

def sha25…

14 0 Open

Automation & scripting easy

How to generate an htpasswd bcrypt entry in Python

Create a mock htpasswd file entry with a bcrypt-hashed password for a given username using a simple Python script.

bcrypt htpasswd password

Python

import bcrypt

def mock_htpasswd_entry(username, password):
    salt = bcrypt.gensalt(rounds=12)
    hashed = bcrypt.hashpw(password.encode(), salt).decode()
    return f"{username}:{hashed}"

if __name__ == "__main__":
    entry = mock_htpasswd_entry("demo_user", "s3cretP@ss")
    print(entry)

15 0 Open

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