logr4 provides an object-oriented logging system that uses an API roughly equivalent to log4j and its related variants.
Maintainer: Kirill Müller <firstname.lastname@example.org>
Issue tracker: https://github.com/johnmyleswhite/log4r/issues
See the log4j documentation or the documentation for its many derivatives to understand the origins of this logging system.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
# Import the log4r package. library('log4r') # Create a new logger object with create.logger(). logger <- create.logger() # Set the logger's file output. logfile(logger) <- 'base.log' # Set the current level of the logger. level(logger) <- 'INFO' # Try logging messages with different priorities. # At priority level INFO, a call to debug() won't print anything. debug(logger, 'A Debugging Message') info(logger, 'An Info Message') warn(logger, 'A Warning Message') error(logger, 'An Error Message') fatal(logger, 'A Fatal Error Message')
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.