🚀 DupMerge

Tired of duplicate files cluttering up your disk space? DupMerge to the rescue! 🦸‍♂️ This powerful tool helps you manage duplicate files efficiently by creating or removing links to them. Customize how it handles duplicates with a variety of options, from creating symbolic or hard links to setting file size limits and managing read-only attributes.

✨ Features

• 🚀 Efficient File Handling: Quickly identifies duplicate files and creates links to them, saving valuable disk space.
• 🔧 Customizable Operations: Offers a range of options for creating symbolic links, deleting links, and even replacing links with file copies.
• 🔩 Flexible File Size Limits: Allows you to specify minimum and maximum file sizes for processing, so you only handle the files you want.
• ⚡ Multithreading Support: Utilizes multiple threads for faster file processing, automatically adjusting to your CPU cores for optimal performance.
• 🔒 Read-Only Attribute Management: Provides options to set or update the read-only attribute for linked files.
• 🔗 Versatile Linking Options: Enables the creation of both hard links and symbolic links, giving you flexibility in how you manage your files.

🛠️ Build from Source

DupMerge is developed in C# and can be compiled using the .NET SDK. To get started, you'll need the .NET SDK installed on your machine.

# Clone the repository
git clone https://github.com/Hawkynt/DupMerge.git

# C--FrameworkExtensions is needed for building a monolithic executable.
# Clone it into a parallel directory named Framework.
git clone https://github.com/Hawkynt/C--FrameworkExtensions.git Framework

# Navigate to the project directory
cd DupMerge

# Build the project
dotnet build

This will compile the application and place the executable in the bin/ directory.

💻 Usage

DupMerge [<options>] [<directories>]

Options

• -v, --info: Show information only, without making any changes.
• -t <n>, --threads <n>: Specify the number of threads to use for crawling. Defaults to the number of CPU cores (up to 8).
• -m <n>, --minimum <n>: Specify the minimum file size to process (default: 1).
• -M <n>, --maximum <n>: Specify the maximum file size to process.
• -s, --allow-symlink: Allow creating symbolic links if a hardlink cannot be created.
• -Dhl, --delete-hardlinks: Delete all hard links.
• -Dsl, --delete-symlinks, --delete-symboliclinks: Delete all symbolic links.
• -D, --delete: Same as -Dhl -Dsl.
• -Rhl, --remove-hardlinks: Remove hard links and replace them with a copy of the linked file.
• -Rsl, --remove-symlinks, --remove-symboliclinks: Remove symbolic links and replace them with a copy of the linked file.
• -R, --remove: Same as -Rhl -Rsl.
• -sro, --set-readonly: Set the read-only attribute on newly created sym/hard-links.
• -uro, --update-readonly: Set the read-only attribute to existing sym/hard-links.
• -ro, --readonly: Same as -sro -uro.

Examples 💡

# Scan the current directory for duplicates and show info only
DupMerge --info .

# Create hardlinks for duplicates in multiple directories, using 4 threads
DupMerge.exe -t 4 C:\path\to\dir1 C:\path\to\dir2

# Delete all symbolic links in the specified directory
DupMerge.exe --delete-symlinks C:\path\to\dir

🤝 Contributing

We welcome contributions to DupMerge! If you have a bug report, feature request, or a patch, please feel free to submit an issue or pull request on GitHub.

📜 License

This project is licensed under the LGPL-3.0-or-later License - see the LICENSE file for details.