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📚 Student Record System (C)

A lightweight command-line Student Record Management System built in C. This project focuses on practical data handling, dynamic memory management, and file persistence using core C concepts.

Instead of being just a basic CRUD console app, this project demonstrates structured programming, modular design, and efficient record management in a low-level language.

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🚀 Overview

This application allows users to manage student records directly from the terminal. It supports:

• Adding new student records
• Modifying existing records
• Deleting student records
• Searching by roll number
• Calculating class average
• Sorting records (ascending/descending by marks)
• Saving records to file
• Loading records from file

All records are handled dynamically in memory and can be persisted to a text file.

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🛠 Built With

• Language: C
• Compiler: GCC
• IDE: CLion / VS Code / Any C-compatible environment
• Storage: Dynamic memory (malloc, realloc, free)
• File Handling: Standard C file I/O (fopen, fprintf, fscanf, etc.)

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🧠 Key Concepts Applied

This project demonstrates:

• Struct-based data modeling
• Dynamic memory allocation
• Modular programming with functions
• File I/O operations
• Searching algorithms
• Sorting logic
• Array manipulation
• Input validation and user interaction handling

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📂 Project Structure

srs/
│
├── main.c
├── students.txt        # Generated file for persistent storage
├── Makefile (optional)
└── README.md

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⚙️ Features

1️⃣ Student Management

• Add new student (Name, Roll Number, Marks)
• Modify student details
• Delete student record
• Display all students

2️⃣ Search

• Search by roll number
• Instant record lookup

3️⃣ Academic Insights

• Automatic pass/fail check (threshold: 40+)
• Calculate class average
• Sort students by marks (ASC/DESC)

4️⃣ Persistence

• Save records to a text file
• Load records from file at startup

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▶️ How to Run

Compile

gcc main.c -o srs

Run

./srs

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📌 Why I Built This

I wanted to build something practical using pure C that goes beyond simple input/output exercises. This project focuses on real-world fundamentals like:

• Memory management
• Data persistence
• Structuring scalable logic
• Clean function separation

It’s a simple system, but it reinforces core programming foundations that apply to larger systems.

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📄 License

This project is open for learning and experimentation.

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