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<body>
    <header>
        <nav class="container">
            <div class="logo">🚀 Go CLI Tool</div>
            <ul>
                <li><a href="#installation">Installation</a></li>
                <li><a href="#features">Features</a></li>
                <li><a href="#demo">Demo</a></li>
                <li><a href="#contact">Contact</a></li>
            </ul>
        </nav>
    </header>

    <section class="hero">
        <div class="container">
            <h1>Go CLI Tool v3.0</h1>
            <p>A premium, powerful command-line interface tool built with Go. Features comprehensive file operations, text processing, cryptographic tools, system monitoring, and much more.</p>
            <a href="#installation" class="cta-button">Get Started</a>
        </div>
    </section>

    <section id="installation">
        <div class="container">
            <h2 class="section-title">Installation Guide</h2>
            <div class="install-grid">
                <div class="install-step">
                    <h3>📋 Prerequisites</h3>
                    <ul>
                        <li>Go 1.21 or higher</li>
                        <li>Git (optional)</li>
                        <li>Terminal/Command Prompt</li>
                    </ul>
                </div>
                <div class="install-step">
                    <h3>⬇️ Download & Install</h3>
                    <div class="code-block">
# Clone the repository
git clone https://github.com/yourusername/go-cli-tool.git
cd go-cli-tool

# Or download and extract the ZIP file
# Extract and navigate to the directory
                    </div>
                </div>
                <div class="install-step">
                    <h3>🔨 Build the Tool</h3>
                    <div class="code-block">
# Build the executable
go build -o go-cli-tool main.go

# Or run directly with Go
go run main.go help
                    </div>
                </div>
                <div class="install-step">
                    <h3>✅ Verify Installation</h3>
                    <div class="code-block">
# Check if installation was successful
./go-cli-tool help

# You should see the help menu with all available commands
                    </div>
                </div>
            </div>
        </div>
    </section>

    <section id="features">
        <div class="container">
            <h2 class="section-title">Core Features</h2>
            <div class="features-grid">
                <div class="feature-card">
                    <span class="feature-icon">📂</span>
                    <h3>File Operations</h3>
                    <p>Advanced file management with create, read, delete, copy, move, search, and detailed statistics. Supports recursive operations and pattern matching.</p>
                    <div class="code-block">
go-cli-tool file -search -query "TODO" -dir ./src
go-cli-tool file -stats -name README.md
                    </div>
                </div>

                <div class="feature-card">
                    <span class="feature-icon">🔡</span>
                    <h3>Text Processing</h3>
                    <p>Powerful text manipulation tools including word counting, case conversion, text reversal, and Base64 encoding/decoding.</p>
                    <div class="code-block">
go-cli-tool text -count -input "Hello World"
go-cli-tool text -encode -input "secret message"
                    </div>
                </div>

                <div class="feature-card">
                    <span class="feature-icon">🖥️</span>
                    <h3>System Monitoring</h3>
                    <p>Real-time system monitoring dashboard with CPU usage, memory statistics, goroutine count, and continuous updates.</p>
                    <div class="code-block">
go-cli-tool mon
# Press Ctrl+C to exit monitoring mode
                    </div>
                </div>

                <div class="feature-card">
                    <span class="feature-icon">🌐</span>
                    <h3>Web & Network Tools</h3>
                    <p>Comprehensive network utilities including IP detection, DNS lookup, HTTP client with headers inspection, and URL fetching.</p>
                    <div class="code-block">
go-cli-tool web -fetch -url https://api.github.com
go-cli-tool net -dns google.com
                    </div>
                </div>

                <div class="feature-card">
                    <span class="feature-icon">🔒</span>
                    <h3>Crypto & Security</h3>
                    <p>Secure cryptographic operations with SHA256 hashing, password generation, and UUID creation using cryptographically secure methods.</p>
                    <div class="code-block">
go-cli-tool crypto -hash "sensitive data"
go-cli-tool rand -pass -len 16
                    </div>
                </div>

                <div class="feature-card">
                    <span class="feature-icon">📦</span>
                    <h3>Archive Management</h3>
                    <p>Full archive support for ZIP operations including compression and extraction with directory structure preservation.</p>
                    <div class="code-block">
go-cli-tool archive -zip -source ./files -target archive.zip
go-cli-tool archive -unzip -source archive.zip -target ./extracted
                    </div>
                </div>

                <div class="feature-card">
                    <span class="feature-icon">🖼️</span>
                    <h3>Image Processing</h3>
                    <p>Image utilities for metadata extraction, format detection, and PNG conversion with comprehensive image information display.</p>
                    <div class="code-block">
go-cli-tool img -info -name photo.jpg
go-cli-tool img -convert -name input.jpg -output output.png
                    </div>
                </div>

                <div class="feature-card">
                    <span class="feature-icon">🔢</span>
                    <h3>Data Processing</h3>
                    <p>Advanced JSON formatting with pretty-printing and minification, plus comprehensive unit conversion for temperature, weight, length, and data sizes.</p>
                    <div class="code-block">
go-cli-tool conv -val 30 -c2f
go-cli-tool json -pretty -name data.json
                    </div>
                </div>

                <div class="feature-card">
                    <span class="feature-icon">🐚</span>
                    <h3>Interactive Mode</h3>
                    <p>Dynamic REPL shell for persistent command execution with tab completion and command history for enhanced productivity.</p>
                    <div class="code-block">
go-cli-tool shell
# Enter interactive mode
# Type commands without prefix
# Type 'exit' to quit
                    </div>
                </div>
            </div>
        </div>
    </section>

    <section id="demo">
        <div class="container">
            <h2 class="section-title">Live Demo Examples</h2>

            <div class="demo-container">
                <div class="demo-tabs">
                    <button class="tab-button active" onclick="showTab('file-demo')">File Operations</button>
                    <button class="tab-button" onclick="showTab('text-demo')">Text Processing</button>
                    <button class="tab-button" onclick="showTab('system-demo')">System Monitoring</button>
                    <button class="tab-button" onclick="showTab('web-demo')">Web Tools</button>
                </div>

                <div id="file-demo" class="tab-content active">
                    <h3>File Operations Demo</h3>
                    <div class="code-block">
$ go-cli-tool file -list -dir .
Files in .:
- main.go (Size: 24560 bytes)
- go.mod (Size: 45 bytes)
- README.md (Size: 3200 bytes)
- go-cli-tool.exe (Size: 8754304 bytes)

$ go-cli-tool file -search -query "func" -dir .
Searching for 'func' in .
Found in: main.go
Found in: internal/ui/color.go

$ go-cli-tool file -stats -name README.md
FILE STATISTICS
Name: README.md
Size: 3200 bytes (3.12 KB, 0.00 MB)
Permissions: -rw-r--r--
Modified: 2024-01-24 10:30:15
Is Directory: false
                    </div>
                </div>

                <div id="text-demo" class="tab-content">
                    <h3>Text Processing Demo</h3>
                    <div class="code-block">
$ go-cli-tool text -count -input "Hello World from Go CLI Tool"
Word count: 6

$ go-cli-tool text -upper -input "hello world"
HELLO WORLD

$ go-cli-tool text -encode -input "secret message"
Base64 Encoded: c2VjcmV0IG1lc3NhZ2U=

$ go-cli-tool text -decode -input "c2VjcmV0IG1lc3NhZ2U="
Base64 Decoded: secret message
                    </div>
                </div>

                <div id="system-demo" class="tab-content">
                    <h3>System Monitoring Demo</h3>
                    <div class="code-block">
===============================================
         🚀 GO CLI TOOL v3.0 - RSK WORLD
===============================================

SYSTEM MONITORING DASHBOARD (Snapshot #1)

Time: 14:30:25.123
OS/Arch: windows/amd64
CPUs: 8
Goroutines: 12
Memory Alloc: 8.45 MB
System Mem: 45.23 MB
GC Cycles: 5

Press Ctrl+C to exit monitoring mode...
                    </div>
                </div>

                <div id="web-demo" class="tab-content">
                    <h3>Web Tools Demo</h3>
                    <div class="code-block">
$ go-cli-tool web -fetch -url https://httpbin.org/get
ℹ Fetching URL: https://httpbin.org/get
✔ Status: 200 OK
Body length: 284 bytes
Body preview (first 200 chars):
{
  "args": {},
  "headers": {
    "Accept": "*/*",
    "Host": "httpbin.org",
    "User-Agent": "Go-http-client/1.1"
  },
  "origin": "192.168.1.100",
  "url": "https://httpbin.org/get"
}

$ go-cli-tool net -ip
Local IP Addresses:
- 192.168.1.100
- 10.0.0.5

$ go-cli-tool net -dns google.com
IPs for google.com:
- 142.250.190.14
- 142.250.190.15
- 142.250.190.16
                    </div>
                </div>
            </div>
        </div>
    </section>

    <footer>
        <div class="container">
            <div class="footer-content">
                <div class="footer-section">
                    <h3>🚀 Go CLI Tool</h3>
                    <p>A comprehensive command-line interface tool built with Go, featuring advanced file operations, text processing, system monitoring, and much more.</p>
                </div>
                <div class="footer-section">
                    <h3>📞 Contact</h3>
                    <p>Email: support@rskworld.in</p>
                    <p>Website: <a href="https://rskworld.in" style="color: #667eea;">rskworld.in</a></p>
                    <p>Author: RSK World</p>
                </div>
                <div class="footer-section">
                    <h3>🔗 Quick Links</h3>
                    <ul style="list-style: none;">
                        <li><a href="#installation" style="color: #667eea; text-decoration: none;">Installation</a></li>
                        <li><a href="#features" style="color: #667eea; text-decoration: none;">Features</a></li>
                        <li><a href="#demo" style="color: #667eea; text-decoration: none;">Demo</a></li>
                        <li><a href="https://github.com" style="color: #667eea; text-decoration: none;">GitHub</a></li>
                    </ul>
                </div>
            </div>
            <div class="social-links">
                <a href="#" title="GitHub">🐙</a>
                <a href="#" title="LinkedIn">💼</a>
                <a href="#" title="Twitter">🐦</a>
                <a href="#" title="Email">📧</a>
            </div>
            <p>&copy; 2026 RSK World. All rights reserved. | Made with ❤️ using Go</p>
        </div>
    </footer>

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RELEASE_NOTES_v3.0.md

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RELEASE_NOTES_v3.0.md

# 🚀 Go CLI Tool v3.0 - Release Notes

## 📅 Release Date: January 24, 2026

## 🎉 Overview

Go CLI Tool v3.0 is a major release featuring a comprehensive command-line interface tool built with Go. This release introduces advanced file operations, enhanced security features, real-time monitoring capabilities, and a complete demo website.

## ✨ New Features

### 🗂️ Advanced File Operations
- **File Search**: Recursively search for text content within files
- **File Statistics**: Detailed file information including size, permissions, and timestamps
- **Enhanced File Management**: Improved copy, move, and list operations with better error handling

### 📝 Text Processing & Cryptography
- **Text Analysis**: Word counting, case conversion, and text reversal
- **Base64 Operations**: Encode and decode text with Base64
- **Cryptographic Hashing**: Secure SHA256 hash generation
- **Password Generation**: Secure password creation with customizable length
- **UUID Generation**: Proper RFC 4122 compliant UUID v4 creation

### 🖥️ System Monitoring Dashboard
- **Real-time Monitoring**: Continuous system metrics display
- **Performance Metrics**: CPU usage, memory statistics, and goroutine counts
- **Live Updates**: Refreshing dashboard with Ctrl+C graceful exit

### 🌐 Web & Network Tools
- **HTTP Client**: Fetch URLs with headers and response inspection
- **DNS Lookup**: Resolve domain names to IP addresses
- **IP Detection**: Local IP address discovery
- **Network Utilities**: Comprehensive network connectivity tools

### 📦 Archive & Media Management
- **ZIP Operations**: Compress and extract archives with directory support
- **Image Processing**: Metadata extraction and PNG conversion
- **JSON Formatting**: Pretty-printing and minification

### 🔧 Unit Conversions & Utilities
- **Temperature Conversion**: Celsius ↔ Fahrenheit
- **Length & Weight**: Meters ↔ Feet, Kilograms ↔ Pounds
- **Data Size**: Bytes ↔ Human readable format (KB, MB, GB, TB)

### 💻 Interactive Mode
- **REPL Shell**: Dynamic command execution with persistent sessions
- **Command History**: Enhanced productivity with shell-like interface

## 🐛 Bug Fixes

### Critical Fixes
- **Compilation Errors**: Fixed duplicate switch cases in main.go
- **Go 1.21 Compatibility**: Updated deprecated `ioutil` functions to modern `os`/`io` packages
- **File Operations**: Migrated `filepath.Walk` to `filepath.WalkDir` for Go 1.21+
- **UUID Format**: Corrected UUID generation to proper RFC 4122 v4 format

### Stability Improvements
- **Error Handling**: Consistent error messages and graceful failure handling
- **Input Validation**: Comprehensive validation for file paths, URLs, and parameters
- **Memory Safety**: Fixed potential memory leaks and resource management issues

## 🔒 Security Enhancements

- **Input Sanitization**: Protection against dangerous file paths and command injection
- **Secure Random Generation**: Cryptographically secure random data generation
- **Parameter Validation**: Length limits and type checking for all inputs
- **Path Traversal Protection**: Prevention of directory traversal attacks

## 🎨 UI/UX Improvements

- **Colorized Output**: ANSI color support with consistent theming
- **Progress Indicators**: Visual feedback for long-running operations
- **Help System**: Comprehensive help text and usage examples
- **Error Messages**: User-friendly error reporting with actionable guidance

## 📚 Documentation & Demo

### Demo Website (`index.html`)
- **Interactive Demo**: Complete web-based demonstration of all features
- **Installation Guide**: Step-by-step setup instructions
- **Feature Showcase**: Detailed examples for each command category
- **Tabbed Interface**: Organized presentation of different tool capabilities

### Test Scripts
- **Windows Testing**: `test-commands.bat` - Automated feature testing
- **Cross-Platform**: `test-commands.sh` - Linux/Mac compatibility
- **Comprehensive Coverage**: Tests all major functionality with clear results

### Documentation
- **README.md**: Complete usage guide with examples
- **Demo Documentation**: Instructions for using the demo website
- **API Reference**: Detailed command-line options and parameters

## 🔧 Technical Improvements

- **Modern Go Practices**: Updated to Go 1.21 standards and best practices
- **Code Organization**: Modular architecture with clear separation of concerns
- **Performance Optimization**: Efficient algorithms and reduced memory usage
- **Cross-Platform Support**: Windows, Linux, and macOS compatibility
- **Build System**: Simplified compilation and deployment process

## 📦 Installation

### Prerequisites
- Go 1.21 or higher
- Git (optional)

### Quick Start
```bash
# Clone repository
git clone https://github.com/rskworld/go-cli-tool.git
cd go-cli-tool

# Build executable
go build -o go-cli-tool main.go

# Run tests
./go-cli-tool help
```

### Demo
```bash
# Open demo website
# Double-click index.html or open in browser

# Run test suite
./test-commands.sh # Linux/Mac
test-commands.bat # Windows
```

## 🎯 Usage Examples

### File Operations
```bash
# Search for text in files
go-cli-tool file -search -query "TODO" -dir ./src

# Get file statistics
go-cli-tool file -stats -name README.md

# Copy files
go-cli-tool file -copy -name source.txt -dest destination.txt
```

### System Monitoring
```bash
# Start monitoring dashboard
go-cli-tool mon
# Press Ctrl+C to exit
```

### Web Tools
```bash
# Fetch URL content
go-cli-tool web -fetch -url https://api.github.com

# DNS lookup
go-cli-tool net -dns google.com
```

### Text Processing
```bash
# Count words
go-cli-tool text -count -input "Hello World"

# Generate password
go-cli-tool rand -pass -len 16

# Hash text
go-cli-tool crypto -hash "secret message"
```

## 🔄 Migration Guide

### From Previous Versions
- **Breaking Changes**: Some command-line flags may have changed
- **Go Version**: Requires Go 1.21+ (previously compatible with older versions)
- **File Paths**: Enhanced validation may affect some edge cases

### Compatibility
- **Operating Systems**: Windows 10+, Linux, macOS
- **Architectures**: x86_64, ARM64
- **Dependencies**: No external dependencies required

## 🤝 Contributing

We welcome contributions! Please see our contributing guidelines for:
- Code style and standards
- Testing requirements
- Pull request process
- Issue reporting

## 📞 Support

- **Documentation**: Comprehensive README and demo website
- **Issues**: GitHub Issues for bug reports and feature requests
- **Email**: support@rskworld.in
- **Website**: https://rskworld.in

## 🙏 Acknowledgments

Special thanks to the Go community and contributors for their valuable input and feedback.

## 📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

---

**Author**: RSK World
**Email**: support@rskworld.in
**Website**: https://rskworld.in
**Copyright**: © 2026 RSK World. All rights reserved.

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