nu

Nu is a command line tool that allows users to process data in a structured and interactive manner. It is designed for working with structured text data, such as CSV, JSON, and TSV files. Nu makes it easy to manipulate and transform data, allowing users to perform operations like filtering, sorting, grouping, and summarizing.

One of the key features of Nu is its ability to work with streaming data. It can efficiently process large datasets without requiring the entire dataset to be loaded into memory. This is especially useful when working with very large files or data streams.

Nu treats data as a collection of records, with each record having a set of named attributes. It includes commands to work with these records, allowing users to create pipelines of operations to transform the data. Users can chain together multiple commands to perform complex manipulations on the data.

Nu includes a rich set of built-in commands, such as filter, group-by, pivot, and join. These commands provide a powerful set of operations to work with data. Users can also extend Nu with custom commands to add specialized functionality.

The tool supports scripting, allowing users to write and save scripts to automate data processing tasks. Scripts can be executed as a batch, providing a convenient way to repeat complex data transformations.

Nu has a user-friendly interface, with colored output and interactive features. Users can explore their data in real-time, previewing the results of each command before applying them.

Error handling is a strong feature of Nu, as it provides detailed error messages that help users identify and fix problems. It also offers good support for debugging and troubleshooting data processing workflows.

Nu is open-source and written in Rust, making it highly performant and efficient. It is designed to be cross-platform, running on Windows, macOS, and Linux.

The community around Nu is active and supportive, with regular updates and new features being added. There is also extensive documentation and tutorials available to help users get started and learn the tool.

In summary, Nu is a command line tool that makes it easy to work with structured text data. It offers powerful data manipulation capabilities, efficient handling of large data sets, scripting for automation, an interactive interface, and excellent error handling. It is a versatile and scalable tool for data processing tasks.