Read Me: Passphrase Validator

This program checks the validity of passphrases in a text file and counts the number of correct ones.

Requirements:

• Python 3

How to Use:

1. Create a text file: Save your passphrases, one per line, in a text file.
2. Run the program: Execute the validation.py script in your terminal.
   • The script will attempt to open the file named "test.txt" by default.
   • If "test.txt" is not found, it will try to open "test.txt.txt".
   • If neither file is found, the program will prompt you to check the file name and try again.
3. Output: The program will print the following information:
   • A list containing each line from the file along with:
     • A validation status (True/False)
     • Counters for spaces, capital letters, and punctuation marks (used for debugging purposes)
   • The total number of valid passphrases found in the file.

Passphrase Criteria:

A valid passphrase must meet the following criteria:

• Consist of more than one word (separated by spaces)
• End with a punctuation mark (!, ?, .)
• Not contain the same word repeated
• Only contain lowercase letters (a-z)
• Only contain characters from the English alphabet (no special characters or numbers)

Notes:

• This program focuses on validating the format of the passphrases, not their meaning.
• The code uses helper functions to check for specific criteria like punctuation, whitespace, capitalization, and repeated words.
• Global variables are used to track counts during validation (space_counter, capital_counter, punctuation_counter). These are reset for each line processed.

Further Development:

• You can modify the program to write the validation results to a separate file.
• Error handling can be improved to provide more specific feedback for invalid passphrases.

We recommend using a more secure password management solution for storing actual passwords.