TaskManager CLI

Project URL https://roadmap.sh/projects/task-tracker

A simple command-line task tracker written in C++.

This project allows you to:

• Add tasks
• Update tasks
• Delete tasks
• Mark tasks as done
• Mark tasks as in-progress
• List all tasks
• Filter tasks by status
• Persist tasks using JSON storage

The project uses the following:

• Modern C++
• STL map
• nlohmann/json for JSON serialization

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Features

Add Tasks

./task-cli add "Buy groceries"

Example Output:

Task added successfully (ID: 0)

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Update Tasks

./task-cli update 0 "Buy groceries and cook dinner"

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Delete Tasks

./task-cli delete 0

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Mark Task In Progress

./task-cli mark-in-progress 0

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Mark Task Done

./task-cli mark-done 0

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List All Tasks

./task-cli list

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List Tasks By Status

Done Tasks

./task-cli list done

Todo Tasks

./task-cli list todo

In Progress Tasks

./task-cli list in-progress

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Project Structure

TaskTracker/
├── main.cpp
├── cli.hpp
├── task.hpp
├── taskManager.hpp
├── tasks.json
├── README.md
└── .gitignore

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Build Instructions

Prerequisites

Install:

• g++
• C++17 support
• nlohmann-json

Ubuntu/Debian:

sudo apt install g++ nlohmann-json3-dev

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Compile

g++ main.cpp -std=c++17 -o task-cli

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JSON Storage

Tasks are stored in:

tasks.json

Example:

[
    {
        "id": 0,
        "description": "Learn C++",
        "status": "to-do",
        "createdAt": "2026-05-14 12:00:00",
        "updatedAt": ""
    }
]

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Internal Design

Task Object

Each task contains:

• ID
• Description
• Status
• Created Timestamp
• Updated Timestamp

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Task States

Supported states:

• to-do
• in-progress
• done

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Example Workflow

./task-cli add "Learn JSON"
./task-cli add "Practice DSA"

./task-cli mark-in-progress 0
./task-cli mark-done 0

./task-cli list done

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Future Improvements

Possible enhancements:

• Colored CLI output
• Priority support
• Due dates
• Search tasks
• Sort tasks
• Unit tests
• SQLite storage
• Tags and categories
• Interactive shell mode

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Author

Created by Vishal Gujela. For Fun!!! Project URL:

https://github.com/VishalGujela/TaskManager-RoadMap-