formatter_glue_or_sprintf | R Documentation |
glue
and sprintf
The best of both words: using both formatter functions in your log
messages, which can be useful eg if you are migrating from
sprintf
formatted log messages to glue
or similar.
formatter_glue_or_sprintf(
msg,
...,
.logcall = sys.call(),
.topcall = sys.call(-1),
.topenv = parent.frame()
)
msg |
passed to |
... |
passed to |
.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 |
Note that this function tries to be smart when passing arguments to
glue
and sprintf
, but might fail with some edge cases, and
returns an unformatted string.
character vector
Other log_formatters
:
formatter_glue()
,
formatter_glue_safe()
,
formatter_json()
,
formatter_logging()
,
formatter_pander()
,
formatter_paste()
,
formatter_sprintf()
formatter_glue_or_sprintf("{a} + {b} = %s", a = 2, b = 3, 5)
formatter_glue_or_sprintf("{pi} * {2} = %s", pi * 2)
formatter_glue_or_sprintf("{pi} * {2} = {pi*2}")
formatter_glue_or_sprintf("Hi ", "{c('foo', 'bar')}, did you know that 2*4={2*4}")
formatter_glue_or_sprintf("Hi {c('foo', 'bar')}, did you know that 2*4={2*4}")
formatter_glue_or_sprintf("Hi {c('foo', 'bar')}, did you know that 2*4=%s", 2 * 4)
formatter_glue_or_sprintf("Hi %s, did you know that 2*4={2*4}", c("foo", "bar"))
formatter_glue_or_sprintf("Hi %s, did you know that 2*4=%s", c("foo", "bar"), 2 * 4)
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