Banking System in COBOL

This COBOL program implements a simple banking system that allows managing customer accounts and transactions.

📂 Code Structure

The program is divided into several main sections:

• IDENTIFICATION DIVISION: Defines the program name.
• ENVIRONMENT DIVISION: Specifies the input/output files used.
• DATA DIVISION: Declares files and variables.
• PROCEDURE DIVISION: Contains the main program logic.

🚀 Features

The program provides the following features:

1. Create an Account 🏦: Allows creating a new account by entering the account number, first name, and last name.
2. Deposit 💰: Adds money to an existing account.
3. Withdraw 🏧: Withdraws money from an existing account, ensuring sufficient funds are available.
4. Check Balance 📊: Displays the current balance of a specified account.
5. Exit ❌: Terminates the program execution.

📦 Prerequisites and Dependencies

Before running the program, make sure you have a COBOL compiler installed. You can use GnuCOBOL:

🔧 Installing GnuCOBOL

On Ubuntu/Debian:

sudo apt update && sudo apt install -y open-cobol

On macOS (via Homebrew):

brew install gnu-cobol

On Windows:
Download and install GnuCOBOL for Windows.

🔄 Usage

📌 Compilation

cobc -x main.cob

▶️ Execution

./main

📂 Required Files

The program uses two files to store accounts and transactions:

• comptes.dat: Contains account information.
• transactions.dat: Stores records of performed transactions.

Ensure these files exist and are accessible before running the program.

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