#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# bulk file renamer that you interface with using intermediary text file.

import os

def setup_file():
	files = open('files.txt', 'w')
	
	for file in os.listdir('.'):
		files.write(file + '\n')

def rename_files():
	new_names = open('files.txt', 'r')

	for file in os.listdir('.'):
		new_name = str(new_names.readline()).rstrip('\n')

		if (new_name == file) or new_name == "files.txt":
			continue

		os.rename(file, new_name)

print("bulk renamer by Olari.\n")

print("Generating files.txt")
print("Modify it to rename files\n")
setup_file()

input("Waiting for input...\n")

print("Renaming files")
rename_files()