Effortless Exception Logging

A very simple and easy-to-use set of suspiciously-familiar functions. 'loggit' provides a set of wrappings for base R's message(), warning(), and stop() functions that maintain identical functionality, but also log the handler message to a 'JSON' log file. While mostly automatic, powerful custom logging is available via these handlers' logging function, loggit(), which is also exported for use. No change in existing code is necessary to use this package.


loggit version 1.1.1

  • Automatically coerce any entries for 'log_lvl' and 'log_msg' fields to be character,.

  • (Github-only): loggit() no longer allows for a data frame to be passed as an argument; the underlying code was not writen very well, and I got ahead of myself in throwing it in there. loggit() is, however, still vectorized by nature, so users can still pass vectors to, for example, the log_detail argument, and values will be recycled according to R's usual recycling rules.

loggit version 1.1.0

  • Add get_logs(), which returns a data frame of a provided log file. Returns the current log file by default.

  • (Github-only): loggit() now allows for a data frame to be passed as the sole argument, and have its results be logged. Required column names are the same as the first two arguments to loggit(): "log_lvl" and "log_msg". Any additional number of columns can be supplied.

loggit version 1.0.0

  • This is the first CRAN release of the loggit package. Included features are the masking functions for base R's exception handlers (message, warning, and stop), as well as the loggit() function, which is wrapped in those calls.

Reference manual

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1.1.1 by Ryan Price, a year ago


Report a bug at https://github.com/ryapric/loggit/issues

Browse source code at https://github.com/cran/loggit

Authors: Ryan Price [cre, aut]

Documentation:   PDF Manual  

MIT + file LICENSE license

Imports dplyr, jsonlite

Suggests knitr, rmarkdown, testthat

See at CRAN