Append log messages to a file and stdout as well — appender_tee • logger

This appends log messages to both console and a file. The same rotation options are available as in appender_file().

Usage

appender_tee(
  file,
  append = TRUE,
  max_lines = Inf,
  max_bytes = Inf,
  max_files = 1L
)

Arguments

file: path
append: boolean passed to cat defining if the file should be overwritten with the most recent log message instead of appending
max_lines: numeric specifying the maximum number of lines allowed in a file before rotating
max_bytes: numeric specifying the maximum number of bytes allowed in a file before rotating
max_files: integer specifying the maximum number of files to be used in rotation

Value

function taking lines argument

See also

This is generator function for log_appender(), for alternatives, see eg appender_console(), appender_file(), appender_slack(), appender_pushbullet(), appender_telegram(), appender_syslog(), appender_kinesis() and appender_async() for evaluate any log_appender() function in a background process.