mycli

A simple CLI tool built with Go standard library

Overview

This is a basic command-line interface (CLI) application written in Go using only the standard library. The CLI provides a framework for creating and managing multiple commands with their own handlers.

Features

• Command-based interface with help system
• Built-in help command (help, -h, --help)
• Error handling and user-friendly error messages
• Extensible command system

Available Commands

• hello [name] - Print a greeting message (defaults to "World" if no name provided)
• version - Show version information (currently v1.0.0)
• echo <text> - Echo the provided arguments
• help - Show help message with all available commands

Usage

# Show help
go run main.go help

# Say hello
go run main.go hello
go run main.go hello Solid Snake

# Show version
go run main.go version

# Echo text
go run main.go echo This is a test message

Building

go build -o mycli main.go

Running

./mycli <command> [arguments]

Code Structure

The application consists of:

• Command struct: Represents individual commands with name, description, and handler
• CLI struct: Main CLI application with command management
• Command registration system for easy extensibility
• Built-in help system and error handling

License

This project is a simple demonstration CLI tool.