sort_user_list

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Filename: sort_user_list.py
# Version: 1.0.0
# Author: Jeoi Reqi

"""
Description:
    - This script sorts a list of user data alphabetically and saves the sorted list to an output file.

Functions:
    - line():
        Prints a line of underscores for formatting purposes.
    - sort_user_list(local_input_filename, local_output_filename):
        Reads a list of user data from an input file, sorts it alphabetically, and saves the sorted list to an output file.

Requirements:
    - Python 3.x

Usage:
    - To use this script, call the sort_user_list function with the input and output filenames as arguments.

Additional Notes:
    - Make sure the input file exists and is accessible.
    - The output file will be overwritten if it already exists.
"""

def line():
    """Prints a line of underscores for formatting purposes."""
    print("_" * 50, "\n")

def sort_user_list(local_input_filename, local_output_filename):
    """
    Reads a list of user data from an input file, sorts it alphabetically, and saves the sorted list to an output file.

    Args:
        local_input_filename (str): The filename of the input file containing the unsorted user data.
        local_output_filename (str): The filename of the output file where the sorted user data will be saved.
    """
    line()
    print("\tSorting user list...\n\tThis may take some time to process.")
    line()
    # Read the user list from the input file
    with open(local_input_filename, 'r', encoding='utf-8') as infile:
        user_list = [line.strip() for line in infile]

    # Sort the user list alphabetically
    sorted_user_list = sorted(user_list)

    # Write the sorted user list to the output file
    with open(local_output_filename, 'w', encoding='utf-8') as outfile:
        for user in sorted_user_list:
            outfile.write(user + '\n')

    print(f"- Sorted user list saved to: '{local_output_filename}' -")
    line()
    print("\tExiting Program...\tGoodBye!\n")
    line()

if __name__ == "__main__":
    global_input_filename = 'input.txt'  # Replace with your list filename
    global_output_filename = 'sum_list.txt'
    sort_user_list(global_input_filename, global_output_filename)