R: Append log messages to a file and stdout as well

appender_tee {logger}

R Documentation

Append log messages to a file and stdout as well

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

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

`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

function taking lines argument