Helpers for Developing Command Line Interfaces R package cli version 3.6.6 A suite of tools to build attractive command line interfaces ('CLIs'), from semantic elements: headings, lists, alerts, paragraphs, etc. Supports custom themes via a 'CSS'-like language. It also contains a number of lower level 'CLI' elements: rules, boxes, trees, and 'Unicode' symbols with 'ASCII' alternatives. It support ANSI colors and text styles as well. Software Depends: R (>= 3.4) Imports: utils Suggests: callr, covr, crayon, digest, glue (>= 1.6.0), grDevices, htmltools, htmlwidgets, knitr, methods, processx, ps (>= 1.3.4.9000), rlang (>= 1.0.2.9003), rmarkdown, rprojroot, rstudioapi, testthat (>= 3.2.0), tibble, whoami, withr Gábor Csárdi <gabor@posit.co> Comprehensive R Archive Network (CRAN) Gábor Csárdi [aut, cre], Hadley Wickham [ctb], Kirill Müller [ctb], Salim Brüggemann [ctb] (ORCID: <https://orcid.org/0000-0002-5329-5987>), Posit Software, PBC [cph, fnd] (ROR: <https://ror.org/03wc8by49>) MIT + file LICENSE (https://CRAN.R-project.org/package=cli/LICENSE) 2026-04-09 application/tgz https://CRAN.R-project.org/package=cli doi:10.32614/CRAN.package.cli