mlr

MLR is a powerful command-line tool for data manipulation and analysis.

1. MLR stands for "Miller", which is named after John Miller, its creator.
2. It is written in C, making it fast, efficient, and memory-friendly.
3. MLR supports various data formats, including CSV, JSON, XTAB, and fixed-width.
4. It provides a wide range of functionalities for data processing, such as filtering, sorting, joining, aggregating, transforming, and statistics.
5. MLR supports numerous data manipulation operators, conditional data transformations, and calculations.
6. It includes advanced features like pivot tables, cross-tabulations, and statistical sampling.
7. The tool offers command-line autocompletion, interactive exploration, and scripting capabilities, making it user-friendly and flexible.
8. MLR supports piping and integrates well with other command-line tools and shell scripts.
9. It has built-in support for univariate and multivariate graphical representations of data.
10. MLR has comprehensive documentation, numerous examples, and an active community, making it easy to learn and use.