user_encapsulator_only_selected

#!/usr/bin/env python3
# Filename: user_encapsulator_only_selected.py
# Version: 1.00
# Author: Jeoi Reqi

"""
USER ENCAPSULATOR ONLY SELECTED:

This script encapsulates specified lines of a text file based on user input,
saving only the encapsulated text to an output file.
"""

import sys

# Define the input file name
input_file = "1234.txt"

# Get left and right encapsulation from user input
left_encapsulation = input("Enter the left side encapsulation: ")
right_encapsulation = input("Enter the right side encapsulation: ")

def display_lines_with_numbers(lines):
    """Display lines with their line numbers.

    Args:
        lines (list): List of lines to display.
    """
    for i, line in enumerate(lines, 1):
        print(f"{i}. {line.strip()}")

def get_user_input_for_line_numbers():
    """Get line numbers input from the user.

    Returns:
        list: List of selected line numbers.
    """
    line_numbers = input("Enter the line numbers you want to process separated by commas (Eg; 1, 4, 22, 17): ")
    return [int(num.strip()) for num in line_numbers.split(",")]

def display_options(options):
    """Display options as a numbered list.

    Args:
        options (list): List of options to display.
    """
    for i, option in enumerate(options, 1):
        print(f"{i}. {option}")

# Display options for processing lines
print("\nOptions:")
print("1. Process all lines")
print("2. Process specific line numbers")

# Ask user to choose an option
option = input("Choose an option (1 or 2): ")

# If user chooses to process specific line numbers
if option == '2':
    # Ask user for specific line numbers
    line_numbers = get_user_input_for_line_numbers()

    # Open the input file in read mode
    with open(input_file, "r") as file:
        # Read all lines from the file
        all_lines = file.readlines()

    # Filter lines based on user-specified line numbers
    lines = [all_lines[i - 1] for i in line_numbers]

    # Display selected lines with line numbers
    print("\nSelected lines:")
    for num, line in zip(line_numbers, lines):
        print(f"{num}. {line.strip()}")

    while True:
        # Display continue options
        print("\nContinue options:")
        display_options(["1. Continue with Encapsulation", "2. Go back: Edit line numbers", "3. Exit Program"])
        # Ask user if they want to continue, edit line numbers, or exit
        choice = input("Choose an option: ")
        if choice == '1':
            break
        elif choice == '2':
            line_numbers = get_user_input_for_line_numbers()
            lines = [all_lines[i - 1] for i in line_numbers]
            print("\nSelected lines:")
            for num, line in zip(line_numbers, lines):
                print(f"{num}. {line.strip()}")
        elif choice == '3':
            sys.exit(0)
        else:
            print("Invalid choice. Exiting...")
            sys.exit(0)
elif option == '1':
    # Open the input file in read mode
    with open(input_file, "r") as file:
        # Read all lines from the file
        lines = file.readlines()
    print("All lines have been encapsulated.")
else:
    print("Invalid option selected. Exiting...")
    sys.exit(0)

# Open the output file in write mode
with open("encapsulated_output.txt", "w") as file:
    # Iterate over each line in the all lines
    for line in lines:
        # Remove the newline character at the end of the line
        line = line.strip()
        # Encapsulate the line with user-defined left and right encapsulation using string formatting
        modified_line = "{}{}{}".format(left_encapsulation, line, right_encapsulation)
        # Write the modified line to the output file
        file.write(modified_line + "\n")

print("Only encapsulated lines have been written to encapsulated_output.txt.")
sys.exit(0)