File Compressor

A Go-based file compression utility that supports various file types and compression algorithms.

Features

• PDF compression
• Image compression
• Multiple compression algorithms
• MIME type detection
• Service locator pattern for extensibility
• Easy-to-use CLI interface

Installation

# Clone the repository
git clone https://github.com/jdecool/file-compressor.git
cd file-compressor

# Build the project
go build -o file-compressor

Usage

# Basic usage
./file-compressor input.pdf output.pdf

# Help
./file-compressor --help

Project Structure

• internal/ - Internal package containing core functionality
  • app/ - Application logic
    • app.go - Main application interface
    • app_test.go - Application tests
  • compressor/ - Core compression logic
    • compressor.go - Main compression interface
    • compressor_test.go - Compression tests
    • image_compressor.go - Image-specific compression
    • image_compressor_test.go - Image compression tests
    • pdf_compressor.go - PDF-specific compression
    • pdf_compressor_test.go - PDF compression tests
  • mime/ - MIME type detection
    • detector.go - MIME type detection logic
    • detector_test.go - MIME detection tests
    • testdata/ - Test files for MIME detection
  • servicelocator/ - Service locator pattern implementation
    • servicelocator.go - Service registration and location
    • servicelocator_test.go - Service locator tests
• main.go - CLI entry point
• Makefile - Build automation
• go.mod - Go module definition
• go.sum - Go dependency checksums

Testing

# Run all tests
go test ./...

# Run specific test
go test ./compressor

License

MIT License