Progression Handler: Progress Reported as Debug Information (Text) in the Terminal
Source:R/handler_debug.R
handler_debug.Rd
Progression Handler: Progress Reported as Debug Information (Text) in the Terminal
Arguments
- interval
(numeric) The minimum time (in seconds) between successive progression updates from this handler.
- intrusiveness
(numeric) A non-negative scalar on how intrusive (disruptive) the reporter to the user.
- target
(character vector) Specifies where progression updates are rendered.
- uuid
If TRUE, then the progressor UUID and the owner UUID are shown, otherwise not (default).
- ...
Additional arguments passed to
make_progression_handler()
.
Appearance
Below is how this progress handler renders by default at 0%, 30% and 99% progress:
With handlers(handler_debug())
:
[21:27:11.236] (0.000s => +0.001s) initiate: 0/100 (+0) '' {clear=TRUE, enabled=TRUE, status=}
[21:27:11.237] (0.001s => +0.000s) update: 0/100 (+0) 'Starting' {clear=TRUE, enabled=TRUE, status=}
[21:27:14.240] (3.004s => +0.002s) update: 30/100 (+30) 'Importing' {clear=TRUE, enabled=TRUE, status=}
[21:27:16.245] (5.009s => +0.001s) update: 100/100 (+70) 'Summarizing' {clear=TRUE, enabled=TRUE, status=}
[21:27:16.246] (5.010s => +0.003s) update: 100/100 (+0) 'Summarizing' {clear=TRIE, enabled=TRUE, status=}
Examples
handlers("debug")
with_progress({ y <- slow_sum(1:10) })
#> M: Added value 1
#> M: Added value 2
#> M: Added value 3
#> M: Added value 4
#> M: Added value 5
#> M: Added value 6
#> M: Added value 7
#> M: Added value 8
#> M: Added value 9
#> M: Added value 10
print(y)
#> [1] 55