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README.md

CreditCardProcessor

Basic credit card processing cli application. Takes input from stdin or from file. Validates card numbers via Luhn. Designed at the core with immutable entities.

Installation

Run bin/setup to install dependencies

Usage

STDIN

run bin/process takes stdin.

Commands

add person_name credit_card_number credit_limit

charge person_name amount

credit person_name amount

exit To quit and see summary.

File Path

run bin/process example_input.txt

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Basic Credit Card Processing Terminal App

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