progressr (version 0.6.0)

handler_debug: Progression Handler: Progress Reported as Debug Information (Text) in the Terminal

Description

Progression Handler: Progress Reported as Debug Information (Text) in the Terminal

Usage

handler_debug(
  interval = getOption("progressr.interval", 0),
  intrusiveness = getOption("progressr.intrusiveness.debug", 0),
  target = "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.

…

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

# NOT RUN {
handlers("debug")
with_progress({ y <- slow_sum(1:10) })
print(y)
# }