Helpers for Developing Command Line Interfaces

A suite of tools designed to build attractive command line interfaces ('CLIs'). Includes tools for drawing rules, boxes, trees, and 'Unicode' symbols with 'ASCII' alternatives.


Reference manual

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1.0.0 by Gábor Csárdi, 16 days ago

Report a bug at

Browse source code at

Authors: Gábor Csárdi [aut, cre], Hadley Wickham [ctb], Kirill Müller [ctb]

Documentation:   PDF Manual  

MIT + file LICENSE license

Imports assertthat, crayon, methods

Suggests covr, mockery, testthat, withr

Imported by available, pillar, tidyverse.

See at CRAN