def repack_emails(input_file, output_file): emails = set() with open(input_file, 'r', encoding='utf-8', errors='ignore') as f: for line in f: # Extract anything that looks like an email matches = re.findall(r'[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+.[a-zA-Z]2,', line) for email in matches: emails.add(email.lower().strip())
: Removing identical email entries to prevent sending multiple messages to the same person. email list txt repack
Lines of addresses unfurled like a string of footprints across a frozen field. Some were neat and sensible—firstname.lastname@company.com—others were fragments: letters mashed together with numbers, old nicknames, a university handle from a decade ago. Each entry felt like a tiny door: a student who once sent frantic questions at midnight, a vendor who’d courted her with samples, a colleague who’d shared lunch and gossip between meetings. She read them as if reading an old yearbook, reconstructing faces she hadn’t realized she remembered. Each entry felt like a tiny door: a