log_appender: Get or set log record appender function

In logger: A Lightweight, Modern and Flexible Logging Utility

Description

Get or set log record appender function

Usage

log_appender(appender, namespace = "global", index = 1)

Arguments

appender	function delivering a log record to the destination, eg appender_console, appender_file or appender_tee
namespace	logger namespace
index	index of the logger within the namespace

See Also

logger, log_threshold, log_layout and log_formatter

Examples

## Not run: 
## change appender to "tee" that writes to the console and a file as well
t <- tempfile()
log_appender(appender_tee(t))
log_info(42)
log_info(42:44)
readLines(t)

## poor man's tee by stacking loggers in the namespace
t <- tempfile()
log_appender(appender_console)
log_appender(appender_file(t), index = 2)
log_info(42)
readLines(t)

## End(Not run)

logger documentation built on Oct. 19, 2021, 9:07 a.m.