Batch Hash Files (SHA-256, MD5, SHA-512)

import hashlib
from pathlib import Path

def hash_file(path: Path, algo: str = "sha256") -> str:
    """Hash a file using specified algorithm."""
    h = hashlib.new(algo)
    with open(path, "rb") as f:
        for chunk in iter(lambda: f.read(8192), b""):
            h.update(chunk)
    return h.hexdigest()

# Hash all files in directory
target_dir = Path("./release")
algo = "sha256"
manifest = []

for file_path in sorted(target_dir.rglob("*")):
    if file_path.is_file():
        digest = hash_file(file_path, algo)
        relative = file_path.relative_to(target_dir)
        manifest.append(f"{digest}  {relative}")
        print(f"{digest}  {relative}")

# Save manifest
Path(f"checksums.{algo}").write_text("\n".join(manifest) + "\n")
print(f"\nHashed {len(manifest)} files → checksums.{algo}")

const crypto = require('crypto');
const fs = require('fs');
const path = require('path');

function hashFile(filePath, algo = 'sha256') {
  const data = fs.readFileSync(filePath);
  return crypto.createHash(algo).update(data).digest('hex');
}

function walkDir(dir) {
  let files = [];
  for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
    const full = path.join(dir, entry.name);
    if (entry.isDirectory()) files.push(...walkDir(full));
    else files.push(full);
  }
  return files;
}

const targetDir = './release';
const algo = 'sha256';
const files = walkDir(targetDir).sort();
const manifest = files.map(f => {
  const hash = hashFile(f, algo);
  const rel = path.relative(targetDir, f);
  return `${hash}  ${rel}`;
});

fs.writeFileSync(`checksums.${algo}`, manifest.join('\n') + '\n');
console.log(`Hashed ${files.length} files`);