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#!/usr/bin/env python3
# Author : PaiN05 , Uday
import argparse
def generate_variations(first, last):
first = first.lower()
last = last.lower()
return list(set([
f"{first}.{last}",
f"{first}{last}",
f"{first[0]}{last}",
f"{first}{last[0]}",
f"{first}_{last}",
f"{first}",
f"{last}",
f"{first[0]}.{last}",
f"{first}.{last[0]}",
f"{first[0]}{last[0]}",
f"{last}{first[0]}"
]))
def parse_name(line):
line = line.strip()
if not line:
return None
# Support First Last OR First.Last
if "." in line and " " not in line:
parts = line.split(".")
else:
parts = line.split()
if len(parts) == 2:
return parts[0], parts[1]
return None
def main():
parser = argparse.ArgumentParser(description="Generate username variations.")
parser.add_argument("-i", "--input", required=True, help="Input file with names")
parser.add_argument("-o", "--output", default="users.txt", help="Output file for username variations")
args = parser.parse_args()
input_file = args.input
output_file = args.output
usernames = set()
try:
with open(input_file, "r") as f:
lines = f.readlines()
except FileNotFoundError:
print(f"[!] File '{input_file}' not found.")
return
for line in lines:
parsed = parse_name(line)
if parsed:
first, last = parsed
variations = generate_variations(first, last)
usernames.update(variations)
else:
print(f"[!] Skipping invalid entry: {line.strip()}")
with open(output_file, "w") as f:
for name in sorted(usernames):
f.write(name + "\n")
print(f"[+] Wrote {len(usernames)} username variations to {output_file}")
if __name__ == "__main__":
main()
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