Generate Citation File Format ('CFF') Metadata for R Packages R package cffr version 1.4.1 Citation File Format ('CFF') version 1.2.0 <doi:10.5281/zenodo.5171937> is a human- and machine-readable file format for software citation metadata. Core utilities generate, read, write and validate Citation File Format metadata for R packages. Software Depends: R (>= 4.1.0) Imports: cli (>= 2.0.0), desc (>= 1.3.0), jsonlite (>= 1.7.2), jsonvalidate (>= 1.1.0), tools, utils, yaml (>= 2.2.1) Suggests: bibtex (>= 0.5.0), knitr, lifecycle, quarto, rmarkdown, testthat (>= 3.0.0), usethis Diego Hernangómez <diego.hernangomezherrero@gmail.com> Comprehensive R Archive Network (CRAN) Diego Hernangómez [aut, cre, cph] (ORCID: <https://orcid.org/0000-0001-8457-4658>), João Martins [rev] (ORCID: <https://orcid.org/0000-0001-7961-4280>), Scott Chamberlain [rev] (ORCID: <https://orcid.org/0000-0003-1444-9135>) GPL (>= 3) 2026-06-17 application/tgz https://CRAN.R-project.org/package=cffr doi:10.32614/CRAN.package.cffr