handler_progress {progressr} | R Documentation |
A progression handler for progress::progress_bar()
.
handler_progress( format = ":spin [:bar] :percent :message", show_after = 0, intrusiveness = getOption("progressr.intrusiveness.terminal", 1), target = "terminal", ... )
format |
(character string) The format of the progress bar. |
show_after |
(numeric) Number of seconds to wait before displaying the progress bar. |
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 |
This progression handler requires the progress package.
Below are a few examples on how to use and customize this progress handler.
In all cases, we use handlers(global = TRUE)
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handlers("progress") y <- slow_sum(1:25)
handlers(handler_progress(complete = "#")) y <- slow_sum(1:25)
handlers(handler_progress(format = ":spin [:bar] :percent :message")) y <- slow_sum(1:25)
handlers(handler_progress(format = ":percent [:bar] :eta :message")) y <- slow_sum(1:25)
if (requireNamespace("progress", quietly = TRUE)) { handlers(handler_progress(format = ":spin [:bar] :percent :message")) with_progress({ y <- slow_sum(1:10) }) print(y) }