Eru: Multi-threaded File Downloader

Eru is a simple and efficient multi-threaded file downloader designed to accelerate your download speeds. Written in C++, Eru leverages multiple threads to download file chunks concurrently, potentially increasing download speeds significantly. I made this as I had a simple requirement and did not want to buy IDM or pirate it.

Features

• Multi-threaded downloading
• Progress bar with real-time updates
• Automatic filename detection from URL
• Customizable number of download threads
• Supports both HTTP and HTTPS
• Displays download speed and estimated time remaining
• Automatic merging of downloaded chunks

Requirements

• C++17 compatible compiler
• CMake 3.14 or higher
• libcurl
• CLI11
• indicators

Building from Source

1. Clone the repository:

   git clone /~https://github.com/Dank-del/eru.git
   cd eru
   

2. Create a build directory and navigate to it:

   mkdir build && cd build
   

3. Configure the project with CMake:

   cmake ..
   

4. Build the project:

   cmake --build .
   

Usage

After building, you can run Eru using the following command:

./src/eru --url <download_url> [options]

Options

• -u, --url <url>: Specify the URL of the file to download (required)
• -o, --output <filename>: Set the output filename (optional, auto-detected if not specified)
• -t, --threads <number>: Set the number of download threads (default: 4)
• -a, --about: Display information about Eru
• -h, --help: Show help message

Examples

1. Download a file using default settings:

   ./src/eru --url https://example.com/large_file.zip
   

2. Download a file with a custom output name and 8 threads:

   ./src/eru --url https://example.com/large_file.zip --output my_file.zip --threads 8
   

3. Display information about Eru:

   ./src/eru --about
   

Contributing

Contributions to Eru are welcome! Please feel free to submit a Pull Request.

License

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

Author

Sayan Biswas

• Email: me@sayanbiswas.in

Acknowledgments

• CPR for HTTP requests
• CLI11 for command-line parsing
• indicators for progress bars