High-Performance Open-Source Archive
Using the rstudioapi package, you can request input from
the user with various dialogs.
The selectFile() and selectDirectory() APIs
allow you to request the name of an existing or non-existing path on the
system.
# request the path to an existing .csv file on disk
path <- rstudioapi::selectFile(caption = "Select CSV File",
filter = "CSV Files (*.csv)",
existing = TRUE)
# now, you could read the data using e.g. 'readr::read_csv()'
data <- readr::read_csv(path)
# request a file path (e.g. where you would like to save a new file)
target <- rstudioapi::selectFile(caption = "Save File",
label = "Save",
existing = FALSE)
# save data to the path provided by the user
saveRDS(data, file = target)Use rstudioapi::askForPassword() to request a password,
or other credentials, from a user.
Use rstudioapi::showDialog() to display an informative
dialog to the user. This dialog is used to report some kind of status or
information to the user; it does not request any input.
rstudioapi::showDialog(title = "Hello, world!",
message = "You're <b>awesome!</b>",
url = "http://www.example.com")
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