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logger

0.4.3Package record

A Lightweight, Modern and Flexible Logging Utility

55packages dependsuggested by 11
779.9Kdownloads / year
81.2%test coverage
13/13flavors OK

Overview

About
Maintained by Gergely DarócziCRAN page ↗GitHub ↗Website ↗Issues ↗Declared funders: Spare Cores and System1

Inspired by the the 'futile.logger' R package and 'logging' Python module, this utility provides a flexible and extensible way of formatting and delivering log messages with low overhead.

Changes in 0.4.3

Maintenance release:

  • Update log4r migration vignette to reflect their new API

From NEWS.md in the release

Install

Health

CRAN checks
13OK
Slowest check: 2.7 min · r-release-macos-x86_64
Status changes
  • OK13 OK2026-08-25
  • ERROR12 OK, 1 ERROR2026-08-05
  • NOTE12 OK, 1 NOTE2026-08-01
  • OK13 OK2026-05-12
  • ERROR12 OK, 1 ERROR2026-05-05
Show 2 earlier changesHide 2 earlier changes
  • OK12 OK2026-04-25
  • NOTE13 OK, 1 NOTE2026-03-10
Advisories

none known

Documentation

In release 0.4.3
READMEYes · 547 wordsVignettesYes · 7 · dynamicNEWSYes · 100% structured · mentions 0.4.3Citation fileNoWebsiteYes · pkgdown
Help pages
62 (1 internal)includes a package overview page
Examples that run
76%26 run in a plain check (2 of them under a condition) · 8 never run
Exported functions with examples
56%
Documented parameters
97%
Return-value docs
60%
Help pages citing references
3%

Downloads

779.9K
CRAN downloads in the past year
Rank #420 · ~2.1K/day · ~65K/mo
Daily download trend is not available in this view yet.
67.5K30 days
201.2K90 days
779.9K1 year
Compare downloads with other packages →
Also on13.1K r2u4 autocran14.1K conda_forge247 c2d4u

Repository

325Stars
46Forks
15Open issues
7Open PRs
9Releases
828Commits
33Commit identities
828 commits · Last activity 2026-09-09 · +0.6% stars, 30d · Default branch at 0.4.3.9000, ahead of CRAN 0.4.3 (checked 2026-10-25)
Responsiveness
How these are sampled
PRs merged (all time)
89%
Median days to close, 50 most recently updated closed issues
78
Median days to close, 50 most recently updated closed PRs
4

Stars over time

2025-10-20 · 3102026-10-23 · 325
PracticesBeta

11 development-tooling and community-health practices detected across 5 families in the upstream repository

Checks run against github.com/daroczig/logger on 2026-10-25.

Continuous integration (2)
GitHub ActionsR CMD check workflow

The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel

Governance and community (1)
Issue templates
Docs source (4)
README.Rmdpkgdown

GitHub Pages site last deployed 2026-09-09 · The repository has a site deploy workflow

pkgdown site last built 2026-09-09

Coverage (2)
Coverage reporting (Codecov).covrignore
Show all practicesHide 1 practice
Lint, format, editor (2)
lintrLint workflow
How this is detected·Detection ruleset v4 (2026-10-20)

Dependencies

Declared dependencies
22 external dependencies (excludes base and recommended)

Installing logger adds no packages beyond those that come with R.

Depends (1)
R >= 4.0.0
Imports (1)
utils
LinkingTo (0)
none
Enhances (0)
none

People & History

People (5)
Author, Maintainer since 0.1 (2019)
Author · added in 0.4.0
Contributor · added in 0.4.2
Funder · added in 0.4.1
Funder
Releases (9)

Pick two releases to compare their code metrics.

  • 0.4.3Latest
    record
    2026-08-24 · current release · diff ↗
  • 0.4.2
    record
    2026-05-10 · diff ↗ ·
    added 1 export
    appender_ntfy
  • R
    R 4.6.0 released · 2026-04-24
  • 0.4.1
    record
    2025-09-11 · diff ↗ ·
    added 5 exports
    formatter_cli, layout_gha, log_chunk_time, log_elapsed, log_elapsed_start
  • R
    R 4.5.0 released · 2025-04-11
  • 0.4.0
    record
    2024-10-22 · diff ↗ ·
    added 1 export
    log_indices
  • R
    R 4.4.0 released · 2024-04-24
  • 0.3.0
    record
    2024-03-05 · diff ↗ ·
    added 5 exports
    OFF, appender_void, as.loglevel, delete_logger_index, formatter_glue_safe
  • R
    R 4.3.0 released · 2023-04-21
  • R
    R 4.2.0 released · 2022-04-22
  • 0.2.2
    record
    2021-10-19 · diff ↗
  • 0.2.1
    record
    2021-07-06 · diff ↗
  • R
    R 4.1.0 released · 2021-05-18
  • 0.2.0
    record
    2021-03-04 · diff ↗ ·
    added 24 exports
    %except%, appender_async, appender_kinesis, appender_stderr, appender_stdout, appender_syslog, appender_syslognet, appender_telegram, deparse_to_one_line, fail_on_missing_package, formatter_json, formatter_pander, layout_blank, layout_json_parser, layout_syslognet, log_errors, log_failure, log_messages, log_namespaces, log_separator, log_shiny_input_changes, log_tictoc, log_warnings, log_with_separator
  • R
    R 4.0.0 released · 2020-04-24
  • R
    R 3.6.0 released · 2019-04-26
Show 2 earlier eventsHide 2 earlier events
  • 0.1
    record
    2019-01-02
  • R
    R 3.5.0 released · 2018-04-23

Package metadata

First published
2019-01-02
Total releases
9 / 7 yrs
License
MIT + file LICENSE OSI · relicensed from AGPL-3 in 0.4.0
Minimum R
≥ 4.0.0
Download size
1.1 MB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("logger")
Daróczi, G., Spare Cores, System1, Carroll, J., & Wickham, H. (2026). logger: A Lightweight, Modern and Flexible Logging Utility (Version 0.4.3) [Computer software]. https://doi.org/10.32614/CRAN.package.logger

This package has no citation file, so citation() returns this entry built from DESCRIPTION.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for logger version 0.4.3 [Data set]. HJJB, LLC. Data release v2026-10-26. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-26, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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