A fast & lightweight approach to logging in R based on the widely-emulated Apache Log4j project.
Latest release v0.5.0 — log4r 0.5.0 · 4 Aug 2026
2 files for Claude Code, Codex and OpenCode: log4r, log4r AGENTS.md — 1,253 tokens loaded in every session.
AGENTS.md A 1,253 tok .claude/settings.json A — These files are r-lib/log4r's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.