Biff is a command line datetime Swiss army knife

A new command line tool called Biff has been released, offering a comprehensive suite of datetime operations including parsing, formatting, arithmetic, and timezone conversions, all accessible via simple commands. Its release aims to streamline complex time-related tasks for developers and system administrators.

Biff is a command line utility licensed under MIT or UNLICENSE, designed to perform a wide array of datetime operations. Its features include printing the current time in various formats, converting times between zones, adding durations, calculating time spans, and manipulating log timestamps. The tool supports locale-specific formatting and can generate sequences of dates based on specific criteria, such as recurring weekdays or month-end dates.

Users can install Biff via precompiled binaries for Windows, macOS, and Linux, or through Rust’s package manager Cargo with optional locale support. Documentation provides detailed usage examples and comparisons with similar tools. Biff’s design emphasizes simplicity and versatility, with a focus on command chaining to perform complex time calculations efficiently.

Why It Matters

The release of Biff could significantly impact workflows involving datetime processing, especially for developers, DevOps, and system administrators. Its ability to handle complex date calculations and formatting tasks in a single tool reduces reliance on multiple utilities or custom scripts, potentially increasing productivity and reducing errors.

As a versatile and open-source tool, Biff also represents a step toward more standardized command line datetime operations, which are often fragmented across various utilities. Its adoption could influence future tooling and scripting practices in software development and system management.

Background

Prior to Biff, users relied on a combination of existing command line tools like date, awk, or custom scripts for datetime tasks. While powerful, these tools often lack comprehensive features or require complex chaining. Biff consolidates many functionalities into one utility, similar to other tools but with a focus on flexibility and ease of use. Its development aligns with ongoing trends toward more powerful CLI utilities for system automation and scripting.

“Biff aims to be the Swiss Army knife for datetime operations on the command line, simplifying complex tasks into straightforward commands.”

— Biff’s developer

“If adopted widely, Biff could streamline many time-related workflows, reducing the need for multiple utilities and custom scripts.”

— Software analyst

What Remains Unclear

It is not yet clear how widely Biff will be adopted or integrated into existing workflows. User feedback and community support are still emerging, and detailed performance benchmarks or limitations have not been publicly disclosed.

What’s Next

Next steps include wider testing and feedback from early adopters, potential updates to improve features based on user input, and integration into scripting workflows. Developers may also work on expanding documentation and building community support around Biff.

Key Questions

What platforms does Biff support?

Biff is available as precompiled binaries for Windows, macOS, and Linux. It can also be installed via Rust’s cargo package manager.

How does Biff compare to existing datetime tools?

Biff consolidates many functionalities—such as parsing, formatting, timezone conversion, and date sequence generation—into one utility, whereas similar tools often require chaining multiple commands or scripts.

Is Biff open source?

Yes, Biff is licensed under MIT or UNLICENSE, making it open source and freely available for modification and redistribution.

What are the main use cases for Biff?

Common use cases include scripting complex date calculations, timezone conversions, generating date sequences, and processing log timestamps in system administration and development workflows.

Source: Hacker News