英文:
R cli progress bar within purrr::map
问题
I need to present a progress bar that shows the progress of a purrr::pmap.
I use the cli package for user-facing information generally, and there is a progress bar in there that seems proficient. However, I cannot get access to a created progress bar inside of another function.
library(cli)
library(purrr)
a <- 1:1000
p <- cli::cli_progress_bar(total = length(a))
te <- function(x){
cli::cli_progress_update(id=p)
return(1/x)
}
cli_progress_done(id=p)
a %>% purrr::map(te)
It seems that the id argument is not used? Is there a way to access the progress bar inside of the inner function so that I can update the progress?
Thanks!
Fredrik
英文:
I need to present a progress bar that show the progress of a purrr::pmap.
I use the cli package for user facing information generally, and there is a progress bar in there that seems proficient. However, I cannot get access to a created progress bar inside of another function.
library(cli)
library(purrr)
a <- 1:1000
p <- cli::cli_progress_bar(total = length(a))
te <- function(x){
cli::cli_progress_update(id=p)
return(1/x)
}
cli_progress_done(id=p)
a |> purrr::map(te)
It seems that the id argument is not used? Is there a way to access the progress bar inside of the inner function so that I can update the progress?
Thanks!
Fredrik
答案1
得分: 3
你可以在 purrr::map() 中使用 .progress 参数（它基于 cli）：
a <- 1:1000
map(a, function(x){Sys.sleep(1/100); (1/x)}, .progress = list(
type = "iterator",
format = "Calculating {cli::pb_bar} {cli::pb_percent}",
clear = TRUE))
英文:
You could use the .progress argument (its based on cli) in purrr::map():
a <- 1:1000
map(a, function(x){Sys.sleep(1/100); (1/x)}, .progress = list(
type = "iterator",
format = "Calculating {cli::pb_bar} {cli::pb_percent}",
clear = TRUE))
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