Logs a long line to stand out from the console
Usage
log_separator(
level = INFO,
namespace = NA_character_,
separator = "=",
width = 80,
.logcall = sys.call(),
.topcall = sys.call(-1),
.topenv = parent.frame()
)
Arguments
- level
log level, see
log_levels()
for more details- namespace
string referring to the
logger
environment / config to be used to override the target of the message record to be used instead of the default namespace, which is defined by the R package name from which the logger was called, and falls back to a common, global namespace.- separator
character to be used as a separator
- width
max width of message – longer text will be wrapped into multiple lines
- .logcall
the logging call being evaluated (useful in formatters and layouts when you want to have access to the raw, unevaluated R expression)
- .topcall
R expression from which the logging function was called (useful in formatters and layouts to extract the calling function's name or arguments)
- .topenv
original frame of the
.topcall
calling function where the formatter function will be evaluated and that is used to look up thenamespace
as well vialogger:::top_env_name
Examples
log_separator()
#> INFO [2024-10-21 07:31:20] =====================================================
log_separator(ERROR, separator = "!", width = 60)
#> ERROR [2024-10-21 07:31:20] !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
log_separator(ERROR, separator = "!", width = 100)
#> ERROR [2024-10-21 07:31:20] !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
logger <- layout_glue_generator(format = "{node}/{pid}/{namespace}/{fn} {time} {level}: {msg}")
log_layout(logger)
log_separator(ERROR, separator = "!", width = 100)
#> fv-az1198-739/8176/global/eval 2024-10-21 07:31:20.863437 ERROR: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
log_layout(layout_blank)
log_separator(ERROR, separator = "!", width = 80)
#> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!