A Lightweight, Modern and Flexible Logging Utility


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Documentation for package ‘logger’ version 0.1

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appender_console Append log record to stdout
appender_file Append log messages to a file
appender_pushbullet Send log messages to Pushbullet
appender_slack Send log messages to a Slack channel
appender_tee Append log messages to a file and stdout as well
colorize_by_log_level Colorize string by the related log level
DEBUG Log levels
ERROR Log levels
FATAL Log levels
formatter_glue Apply 'glue' to convert R objects into a character vector
formatter_glue_or_sprintf Apply 'glue' and 'sprintf'
formatter_logging Mimic the default formatter used in the 'logging' package
formatter_paste Concatenate R objects into a character vector via 'paste'
formatter_sprintf Apply 'sprintf' to convert R objects into a character vector
get_logger_meta_variables Collect useful information about the logging environment to be used in log messages
grayscale_by_log_level Render a string with light/dark gray based on the related log level
INFO Log levels
layout_glue Format a log message with 'glue'
layout_glue_colors Format a log message with 'glue' and ANSI escape codes to add colors
layout_glue_generator Generate log layout function using common variables available via glue syntax
layout_json Generate log layout function rendering JSON
layout_logging Format a log record as the logging package does by default
layout_simple Format a log record by concatenating the log level, timestamp and message
logger Generate logging utility
log_appender Get or set log record appender function
log_debug Log a message with given log level
log_error Log a message with given log level
log_eval Evaluate an expression and log results
log_fatal Log a message with given log level
log_formatter Get or set log message formatter
log_info Log a message with given log level
log_layout Get or set log record layout
log_level Log a message with given log level
log_levels Log levels
log_success Log a message with given log level
log_threshold Get or set log level threshold
log_trace Log a message with given log level
log_warn Log a message with given log level
skip_formatter Adds the skip_formatter attribute to an object so that logger will skip calling the formatter function on the object(s) to be logged
SUCCESS Log levels
TRACE Log levels
WARN Log levels
with_log_threshold Evaluate R expression with a temporarily updated log level threshold