{
  "_id": "6a3325923efcd9bda439bf6a",
  "Package": "cffr",
  "Title": "Generate Citation File Format ('CFF') Metadata for R Packages",
  "Version": "1.4.1",
  "Authors@R": "c(\nperson(\"Diego\", \"Hernangómez\", , \"diego.hernangomezherrero@gmail.com\", role = c(\"aut\", \"cre\", \"cph\"),\ncomment = c(ORCID = \"0000-0001-8457-4658\")),\nperson(\"João\", \"Martins\", role = \"rev\",\ncomment = c(ORCID = \"0000-0001-7961-4280\")),\nperson(\"Scott\", \"Chamberlain\", role = \"rev\",\ncomment = c(ORCID = \"0000-0003-1444-9135\"))\n)",
  "Description": "Citation File Format ('CFF') version 1.2.0\n<doi:10.5281/zenodo.5171937> is a human- and machine-readable\nfile format for software citation metadata. Core utilities\ngenerate, read, write and validate Citation File Format\nmetadata for R packages.",
  "License": "GPL (>= 3)",
  "URL": "https://docs.ropensci.org/cffr/, https://github.com/ropensci/cffr",
  "BugReports": "https://github.com/ropensci/cffr/issues",
  "VignetteBuilder": "quarto",
  "Config/Needs/website": "devtools",
  "Config/roxygen2/markdown": "TRUE",
  "Config/roxygen2/version": "8.0.0",
  "Config/testthat/edition": "3",
  "Config/testthat/parallel": "true",
  "Encoding": "UTF-8",
  "LazyData": "true",
  "Config/pak/sysreqs": "libssl-dev libnode-dev",
  "Repository": "https://ropensci.r-universe.dev",
  "Date/Publication": "2026-06-17 22:40:30 UTC",
  "RemoteUrl": "https://github.com/ropensci/cffr",
  "RemoteRef": "main",
  "RemoteSha": "949605e5d773757a2a42881d22885b677ba4487a",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-06-17 22:49:02 UTC",
    "User": "root"
  },
  "Author": "Diego Hernangómez [aut, cre, cph] (ORCID:\n<https://orcid.org/0000-0001-8457-4658>),\nJoão Martins [rev] (ORCID: <https://orcid.org/0000-0001-7961-4280>),\nScott Chamberlain [rev] (ORCID:\n<https://orcid.org/0000-0003-1444-9135>)",
  "Maintainer": "Diego Hernangómez <diego.hernangomezherrero@gmail.com>",
  "MD5sum": "001e8102fbab29675a26ae0e2fb0934a",
  "_user": "ropensci",
  "_type": "src",
  "_file": "cffr_1.4.1.tar.gz",
  "_fileid": "53847e14b1d3227cc2d1086de6cbc94f379cbb6aea3389d487a0d527b7814f62",
  "_filesize": 585512,
  "_sha256": "53847e14b1d3227cc2d1086de6cbc94f379cbb6aea3389d487a0d527b7814f62",
  "_created": "2026-06-17T22:49:02.000Z",
  "_published": "2026-06-17T22:54:10.156Z",
  "_distro": "noble",
  "_jobs": [
    {
      "job": 82018312281,
      "time": 175,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7709836673"
    },
    {
      "job": 82018312309,
      "time": 180,
      "config": "linux-release-x86_64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7709838263"
    },
    {
      "job": 82018312296,
      "time": 164,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7709833410"
    },
    {
      "job": 82018312312,
      "time": 190,
      "config": "macos-release-arm64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7709840809"
    },
    {
      "job": 82017829467,
      "time": 284,
      "config": "pkgdown",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7709808302"
    },
    {
      "job": 82017829371,
      "time": 205,
      "config": "source",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7709787293"
    },
    {
      "job": 82018312275,
      "time": 100,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7709814575"
    },
    {
      "job": 82018312297,
      "time": 161,
      "config": "windows-devel",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7709833352"
    },
    {
      "job": 82018312302,
      "time": 258,
      "config": "windows-oldrel",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7709859537"
    },
    {
      "job": 82018312291,
      "time": 169,
      "config": "windows-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7709835159"
    }
  ],
  "_buildurl": "https://github.com/r-universe/ropensci/actions/runs/27724555871",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/ropensci/cffr",
  "_commit": {
    "id": "949605e5d773757a2a42881d22885b677ba4487a",
    "author": "Diego H <diego.hernangomezherrero@gmail.com>",
    "committer": "Diego H <diego.hernangomezherrero@gmail.com>",
    "message": "Update references\n",
    "time": 1781736030
  },
  "_maintainer": {
    "name": "Diego Hernangómez",
    "email": "diego.hernangomezherrero@gmail.com",
    "login": "dieghernan",
    "orcid": "0000-0001-8457-4658",
    "twitter": "@dhernangomez",
    "description": "",
    "uuid": 25656809
  },
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 4.1.0",
      "role": "Depends"
    },
    {
      "package": "cli",
      "version": ">= 2.0.0",
      "role": "Imports"
    },
    {
      "package": "desc",
      "version": ">= 1.3.0",
      "role": "Imports"
    },
    {
      "package": "jsonlite",
      "version": ">= 1.7.2",
      "role": "Imports"
    },
    {
      "package": "jsonvalidate",
      "version": ">= 1.1.0",
      "role": "Imports"
    },
    {
      "package": "tools",
      "role": "Imports"
    },
    {
      "package": "utils",
      "role": "Imports"
    },
    {
      "package": "yaml",
      "version": ">= 2.2.1",
      "role": "Imports"
    },
    {
      "package": "bibtex",
      "version": ">= 0.5.0",
      "role": "Suggests"
    },
    {
      "package": "knitr",
      "role": "Suggests"
    },
    {
      "package": "lifecycle",
      "role": "Suggests"
    },
    {
      "package": "quarto",
      "role": "Suggests"
    },
    {
      "package": "rmarkdown",
      "role": "Suggests"
    },
    {
      "package": "testthat",
      "version": ">= 3.0.0",
      "role": "Suggests"
    },
    {
      "package": "usethis",
      "role": "Suggests"
    }
  ],
  "_owner": "ropensci",
  "_selfowned": true,
  "_usedby": 3,
  "_updates": [
    {
      "week": "2025-31",
      "n": 1
    },
    {
      "week": "2025-34",
      "n": 1
    },
    {
      "week": "2025-42",
      "n": 2
    },
    {
      "week": "2025-43",
      "n": 1
    },
    {
      "week": "2025-44",
      "n": 4
    },
    {
      "week": "2025-45",
      "n": 1
    },
    {
      "week": "2025-47",
      "n": 2
    },
    {
      "week": "2025-48",
      "n": 1
    },
    {
      "week": "2025-51",
      "n": 3
    },
    {
      "week": "2026-02",
      "n": 1
    },
    {
      "week": "2026-03",
      "n": 9
    },
    {
      "week": "2026-04",
      "n": 4
    },
    {
      "week": "2026-05",
      "n": 1
    },
    {
      "week": "2026-07",
      "n": 10
    },
    {
      "week": "2026-08",
      "n": 10
    },
    {
      "week": "2026-09",
      "n": 1
    },
    {
      "week": "2026-10",
      "n": 5
    },
    {
      "week": "2026-11",
      "n": 1
    },
    {
      "week": "2026-12",
      "n": 1
    },
    {
      "week": "2026-13",
      "n": 3
    },
    {
      "week": "2026-15",
      "n": 5
    },
    {
      "week": "2026-16",
      "n": 2
    },
    {
      "week": "2026-18",
      "n": 11
    },
    {
      "week": "2026-19",
      "n": 9
    },
    {
      "week": "2026-20",
      "n": 1
    },
    {
      "week": "2026-21",
      "n": 6
    },
    {
      "week": "2026-22",
      "n": 1
    },
    {
      "week": "2026-23",
      "n": 4
    },
    {
      "week": "2026-24",
      "n": 5
    },
    {
      "week": "2026-25",
      "n": 4
    }
  ],
  "_tags": [
    {
      "name": "v1.2.1",
      "date": "2026-01-11"
    },
    {
      "name": "v1.3.0",
      "date": "2026-03-12"
    },
    {
      "name": "v1.4.0",
      "date": "2026-05-04"
    },
    {
      "name": "v1.4.1",
      "date": "2026-06-17"
    }
  ],
  "_topics": [
    "attribution",
    "citation",
    "credit",
    "citation-files",
    "cff",
    "metadata",
    "citation-file-format",
    "ropensci",
    "quarto"
  ],
  "_stars": 26,
  "_contributors": [
    {
      "user": "dieghernan",
      "count": 771,
      "uuid": 25656809
    },
    {
      "user": "imgbotapp",
      "count": 3,
      "uuid": 31427850
    },
    {
      "user": "dpprdan",
      "count": 1,
      "uuid": 1423562
    }
  ],
  "_userbio": {
    "uuid": 1200269,
    "type": "organization",
    "name": "rOpenSci",
    "followers": 1100,
    "description": "Tools and R Packages for Open Science"
  },
  "_downloads": {
    "count": 2114,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/cffr"
  },
  "_devurl": "https://github.com/ropensci/cffr",
  "_pkgdown": "https://docs.ropensci.org/cffr/",
  "_searchresults": 164,
  "_quarto": true,
  "_metadata": {
    "review": {
      "id": 463,
      "status": "reviewed",
      "version": "0.0.1.9001",
      "organization": "rOpenSci Software Review",
      "url": "https://github.com/ropensci/software-review/issues/463"
    },
    "ropensci_category": "data-publication"
  },
  "_rbuild": "4.6.0",
  "_assets": [
    "extra/cffr.html",
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/ropensci/cffr",
  "_realowner": "ropensci",
  "_cranurl": true,
  "_releases": [
    {
      "version": "0.1.0",
      "date": "2021-11-04"
    },
    {
      "version": "0.1.1",
      "date": "2021-11-11"
    },
    {
      "version": "0.2.0",
      "date": "2022-01-04"
    },
    {
      "version": "0.2.1",
      "date": "2022-01-16"
    },
    {
      "version": "0.2.2",
      "date": "2022-04-08"
    },
    {
      "version": "0.2.3",
      "date": "2022-08-15"
    },
    {
      "version": "0.3.0",
      "date": "2022-09-23"
    },
    {
      "version": "0.4.0",
      "date": "2022-11-17"
    },
    {
      "version": "0.4.1",
      "date": "2023-01-30"
    },
    {
      "version": "0.5.0",
      "date": "2023-05-05"
    },
    {
      "version": "1.0.0",
      "date": "2024-03-12"
    },
    {
      "version": "1.0.1",
      "date": "2024-04-09"
    },
    {
      "version": "1.1.0",
      "date": "2024-07-23"
    },
    {
      "version": "1.1.1",
      "date": "2024-08-16"
    },
    {
      "version": "1.2.0",
      "date": "2025-01-25"
    },
    {
      "version": "1.2.1",
      "date": "2026-01-12"
    },
    {
      "version": "1.3.0",
      "date": "2026-03-13"
    },
    {
      "version": "1.4.0",
      "date": "2026-05-04"
    },
    {
      "version": "1.4.1",
      "date": "2026-06-17"
    }
  ],
  "_exports": [
    "as_bibentry",
    "as_cff",
    "as_cff_person",
    "as.cff",
    "cff",
    "cff_create",
    "cff_extract_to_bibtex",
    "cff_from_bibtex",
    "cff_gha_update",
    "cff_git_hook_install",
    "cff_git_hook_remove",
    "cff_modify",
    "cff_parse_citation",
    "cff_parse_person",
    "cff_parse_person_bibtex",
    "cff_read",
    "cff_read_bib",
    "cff_read_bib_text",
    "cff_read_cff_citation",
    "cff_read_citation",
    "cff_read_description",
    "cff_schema_definitions_entity",
    "cff_schema_definitions_person",
    "cff_schema_definitions_refs",
    "cff_schema_keys",
    "cff_schema_keys_license",
    "cff_to_bibtex",
    "cff_validate",
    "cff_write",
    "cff_write_bib",
    "cff_write_citation",
    "encoded_utf_to_latex",
    "write_bib",
    "write_citation"
  ],
  "_datasets": [
    {
      "name": "cran_to_spdx",
      "title": "Mapping between 'License' fields and SPDX",
      "object": "cran_to_spdx",
      "class": [
        "data.frame"
      ],
      "fields": [
        "LICENSE",
        "SPDX"
      ],
      "rows": 86,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "as_bibentry",
      "title": "Create 'bibentry' objects from multiple sources",
      "concept": [
        "bibtex",
        "s3method"
      ],
      "topics": [
        "as_bibentry",
        "as_bibentry.cff",
        "as_bibentry.cff_ref",
        "as_bibentry.cff_ref_lst",
        "as_bibentry.character",
        "as_bibentry.default",
        "as_bibentry.list",
        "as_bibentry.NULL"
      ]
    },
    {
      "page": "as_cff",
      "title": "Coerce lists and citation objects to 'cff'",
      "concept": [
        "s3method"
      ],
      "topics": [
        "as.cff",
        "as_cff",
        "as_cff.bibentry",
        "as_cff.Bibtex",
        "as_cff.default",
        "as_cff.list",
        "as_cff.person"
      ]
    },
    {
      "page": "as_cff_person",
      "title": "Coerce R objects to 'cff_pers_lst' objects",
      "concept": [
        "s3method"
      ],
      "topics": [
        "as_cff_person",
        "as_cff_person.character",
        "as_cff_person.default",
        "as_cff_person.person"
      ]
    },
    {
      "page": "cff",
      "title": "Create 'cff' objects from direct inputs",
      "concept": [
        "core"
      ],
      "topics": [
        "cff"
      ]
    },
    {
      "page": "cff_create",
      "title": "Create a 'cff' object from multiple sources",
      "concept": [
        "core"
      ],
      "topics": [
        "cff_create"
      ]
    },
    {
      "page": "cff_gha_update",
      "title": "Install a 'cffr' GitHub Actions workflow",
      "concept": [
        "git"
      ],
      "topics": [
        "cff_gha_update"
      ]
    },
    {
      "page": "cff_git_hook",
      "title": "Use a git pre-commit hook *[Experimental]*",
      "concept": [
        "git"
      ],
      "topics": [
        "cff_git_hook",
        "cff_git_hook_install",
        "cff_git_hook_remove"
      ]
    },
    {
      "page": "cff_modify",
      "title": "Modify a 'cff' object",
      "concept": [
        "core"
      ],
      "topics": [
        "cff_modify"
      ]
    },
    {
      "page": "cff_read",
      "title": "Read an external file as a 'cff' object",
      "concept": [
        "bibtex",
        "reading"
      ],
      "topics": [
        "cff_read",
        "cff_read_bib",
        "cff_read_cff_citation",
        "cff_read_citation",
        "cff_read_description"
      ]
    },
    {
      "page": "cff_read_bib_text",
      "title": "Read BibTeX markup as a 'cff_ref_lst' object",
      "concept": [
        "bibtex",
        "reading"
      ],
      "topics": [
        "cff_read_bib_text"
      ]
    },
    {
      "page": "cff_schema",
      "title": "Inspect CFF schema values",
      "concept": [
        "schemas"
      ],
      "topics": [
        "cff_schema",
        "cff_schema_definitions_entity",
        "cff_schema_definitions_person",
        "cff_schema_definitions_refs",
        "cff_schema_keys",
        "cff_schema_keys_license"
      ]
    },
    {
      "page": "cff_validate",
      "title": "Validate a 'CITATION.cff' file or a 'cff' object",
      "concept": [
        "core"
      ],
      "topics": [
        "cff_validate"
      ]
    },
    {
      "page": "cff_write",
      "title": "Write a 'CITATION.cff' file",
      "concept": [
        "writing"
      ],
      "topics": [
        "cff_write"
      ]
    },
    {
      "page": "cff_write_misc",
      "title": "Export R objects to multiple file types",
      "concept": [
        "bibtex",
        "writing"
      ],
      "topics": [
        "cff_write_bib",
        "cff_write_citation"
      ]
    },
    {
      "page": "cran_to_spdx",
      "title": "Mapping between 'License' fields and SPDX",
      "concept": [
        "datasets"
      ],
      "topics": [
        "cran_to_spdx"
      ]
    }
  ],
  "_pkglogo": "https://github.com/ropensci/cffr/raw/main/man/figures/logo.png",
  "_readme": "https://github.com/ropensci/cffr/raw/main/README.md",
  "_rundeps": [
    "cli",
    "curl",
    "desc",
    "jsonlite",
    "jsonvalidate",
    "R6",
    "Rcpp",
    "V8",
    "yaml"
  ],
  "_vignettes": [
    {
      "source": "bibtex-cff.qmd",
      "filename": "bibtex-cff.html",
      "title": "BibTeX and CFF",
      "engine": "quarto::html",
      "headings": [
        "Citation",
        "BibTeX and R",
        "Conceptual differences between BibTeX and CFF",
        "BibTeX definitions",
        "Entries",
        "Fields",
        "Citation File Format",
        "Mapping strategy",
        "Mapping tables",
        "Proposed crosswalk",
        "Transformation semantics",
        "Entry/key type crosswalk",
        "Fields/key crosswalk",
        "BibLaTeX",
        "Limitations",
        "Design decisions",
        "Entry models",
        "@article",
        "@book / @inbook",
        "@booklet",
        "@conference / @inproceedings",
        "@incollection",
        "@manual",
        "@mastersthesis / @phdthesis",
        "@misc",
        "@proceedings",
        "@techreport",
        "@unpublished",
        "Conclusion",
        "Appendix A: @inbook in BibTeX and BibLaTeX",
        "Appendix B: CFF key: type values",
        "References"
      ],
      "created": "2026-02-14 21:55:40",
      "modified": "2026-06-17 07:21:18",
      "commits": 19
    },
    {
      "source": "joss-paper.qmd",
      "filename": "joss-paper.html",
      "title": "cffr: Generate Citation File Format Metadata for R Packages",
      "engine": "quarto::html",
      "headings": [
        "Summary",
        "Statement of need",
        "Acknowledgements",
        "Citation",
        "References"
      ],
      "created": "2026-02-14 21:55:40",
      "modified": "2026-06-17 07:21:18",
      "commits": 10
    },
    {
      "source": "r-cff.qmd",
      "filename": "r-cff.html",
      "title": "From R to CFF",
      "engine": "quarto::html",
      "headings": [
        "Summary",
        "Details",
        "abstract",
        "authors",
        "cff-version",
        "commit",
        "contact",
        "date-released",
        "doi",
        "identifiers",
        "keywords",
        "license",
        "license-url",
        "message",
        "preferred-citation",
        "references",
        "repository",
        "repository-artifact",
        "repository-code",
        "title",
        "type",
        "url",
        "version",
        "References"
      ],
      "created": "2026-02-14 21:55:40",
      "modified": "2026-06-17 07:21:18",
      "commits": 11
    },
    {
      "source": "cffr.qmd",
      "filename": "cffr.html",
      "title": "Manipulating Citations with cffr",
      "engine": "quarto::html",
      "headings": [
        "What is a CITATION.cff file?",
        "Creating a CITATION.cff file for your R package",
        "Modifying your CITATION.cff file",
        "Adding new keys",
        "Persons and references",
        "Create your modified CITATION.cff file",
        "References"
      ],
      "created": "2026-02-14 21:55:40",
      "modified": "2026-06-17 07:21:18",
      "commits": 11
    }
  ],
  "_score": 9.988345934476872,
  "_indexed": true,
  "_nocasepkg": "cffr",
  "_universes": [
    "ropensci",
    "dieghernan"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.4.1",
      "date": "2026-06-17T22:51:16.000Z",
      "distro": "noble",
      "commit": "949605e5d773757a2a42881d22885b677ba4487a",
      "fileid": "8f2a9828eaa4956215e3a1a5ddaecd6cbf03aa60b36373c55bdbe560fe2af0f6",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27724555871"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "1.4.1",
      "date": "2026-06-17T22:51:17.000Z",
      "distro": "noble",
      "commit": "949605e5d773757a2a42881d22885b677ba4487a",
      "fileid": "2da4205e5fad963b70480b2f6692941c93763ecfe93a348680ca41c5b1235a7c",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27724555871"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "1.4.1",
      "date": "2026-06-17T22:51:16.000Z",
      "commit": "949605e5d773757a2a42881d22885b677ba4487a",
      "fileid": "e6f9184a7d9236926541e60b1ca7de79bcdd9b9683649285c6899d1327e5998d",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27724555871"
    },
    {
      "r": "4.6.0",
      "os": "mac",
      "version": "1.4.1",
      "date": "2026-06-17T22:51:39.000Z",
      "commit": "949605e5d773757a2a42881d22885b677ba4487a",
      "fileid": "3b39893877e7827abc9147bef9cbc5db6a5406990c2d9a11503efafe267d47f5",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27724555871"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "1.4.1",
      "date": "2026-06-17T22:51:00.000Z",
      "commit": "949605e5d773757a2a42881d22885b677ba4487a",
      "fileid": "4849f61fb346cc8967fb7825f12baf0fc3b4f0180c930fe03eab2776379414ac",
      "status": "success",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27724555871"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.4.1",
      "date": "2026-06-17T22:51:07.000Z",
      "commit": "949605e5d773757a2a42881d22885b677ba4487a",
      "fileid": "ff4011f236a57c36c00f147d962ca05c5b44c5a79ce2e2daf69a7d335bc126b1",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27724555871"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "1.4.1",
      "date": "2026-06-17T22:52:24.000Z",
      "commit": "949605e5d773757a2a42881d22885b677ba4487a",
      "fileid": "3de82f931e14fa856ee9df2615f63316a64a2ec346bf66ab633d1ae21f09835e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27724555871"
    },
    {
      "r": "4.6.0",
      "os": "win",
      "version": "1.4.1",
      "date": "2026-06-17T22:50:46.000Z",
      "commit": "949605e5d773757a2a42881d22885b677ba4487a",
      "fileid": "59b1ba15cf99a125f3b0a0a27fcc22dc5c7bf2d203f36875868e5cc127390835",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27724555871"
    }
  ]
}