#!/usr/bin/env python3

import os
from simple_term_menu import TerminalMenu


def list_files(directory="."):
    return (file for file in os.listdir(directory) if os.path.isfile(os.path.join(directory, file)))


def main():
    terminal_menu = TerminalMenu(list_files(), preview_command="cat {}", preview_size=0.75)
    terminal_menu.show()


if __name__ == "__main__":
    main()