Provides flexible but lightweight logging facilities for R scripts. Supports priority levels for logs and messages, flagging messages, capturing script output, switching logs, and logging to files or connections.
Lightweight logging for R scripts.
luzlogr is available from CRAN, and can be installed using
install.packages(). To install the latest, developmental version from this GitHub repository:
devtoolsinstalled from CRAN and loaded.
Either way, you can then do:
library(luzlogr)help(package = 'luzlogr')
Three functions -
closelog() - provide logging of script output. They provide features including priority levels for logs and messages; optionally capturing all output (via
sink); switching between logs; and logging to a text file or arbitrary connection. For example:
The resulting log file
test.log looks something like this:
Thu Sep 17 08:46:59 2015 Opening ./test.log Thu Sep 17 08:46:59 2015 message Thu Sep 17 08:46:59 2015 Closing test.log flags = 0 ------- R version 3.2.0 (2015-04-16) Platform: x86_64-apple-darwin13.4.0 (64-bit) Running under: OS X 10.10.5 (Yosemite)
For more details, see the vignette and documentation.