A powerful CLI tool for managing file type associations on macOS. Infat provides a simple and elegant way to view, set, and manage file type associations through NSWorkspace.
Infat is designed for power users and system administrators who need fine-grained control over file associations. It offers a streamlined interface for managing which applications open which file types.
- List file type associations - See which applications are registered to open specific file types
- Set default applications - Change which application opens a specific file type
- View system information - Display useful information about the current system state
- Comprehensive logging - Debug and verbose logging options for troubleshooting
# Installation instructions coming soon
# For now, clone the repository and build from source
git clone https://github.com/philocalyst/infat.git
cd infat
swift build -c release- Configuration files - Support for TOML configuration files to save your preferred associations
- Support for early MacOS - Should be able to get it dated to OSX initial release!
- Batch operations - Set multiple file associations at once
- More detailed info commands - Extended system information reporting
Note: Configuration loading and the info subcommand are not fully implemented yet but are coming in future releases! Any help is appreciated :)
Infat follows a simple command structure with three main subcommands: list, set, and info.
The list command shows which applications are registered to open specific file types.
# Show the default application for opening .txt files
infat list txt
# Show all applications registered to open .txt files
infat list --all txtNOTE: This is currently depreacted due to using ObjC private framework API's that is beyond me to interface with. If anyone wants to mess with adding this feature, the classdump I found is here. And blueutil also implements them in a capacity.
The set command changes which application opens a specific file type.
# Set TextEdit as the default application for .md files
infat set TextEdit md
# Set VSCode as the default application for .json files
infat set VSCode jsonThe info command displays system information, such as the currently active application.
# Show system information
infat infoHere are some common use cases for Infat:
# Set PDF files to open with Preview instead of Adobe Acrobat
infat set Preview pdf# Reset .html files to open with Safari
infat set Safari html# Check which application is set to open .mp4 files
infat list mp4Since Infat manipulates system settings, debugging can sometimes be necessary. Use the verbose and debug flags for more information:
# Enable verbose logging
infat --verbose set TextEdit txt
# Enable debug logging (even more verbose)
infat --debug list pdf- ArgumentParser - Command-line interface parsing
- PListKit - Property list handling
- Toml - TOML configuration file parsing
- Logging - Structured logging
Contributions are welcome! Please feel free to submit a Pull Request.
- Fork the repository
- Create your feature branch (
git checkout -b feature/amazing-feature) - Commit your changes (
git commit -m 'Add some amazing feature') - Push to the branch (
git push origin feature/amazing-feature) - Open a Pull Request
Made with massive inspiration of Duti https://github.com/moretension/duti, which is effective on earlier versions of macOS even now!
Made under duress by Miles :)