Nothing
#' @importFrom utils download.file
.download_cacheable_file <- function(url, cache_dir, verbose) {
file <-
if (is.null(cache_dir)) {
fil <- tempfile()
on.exit(file.remove(fil))
fil
} else {
file <- paste0(
sub("/*$", "/", cache_dir),
sub(".*/", "", url)
)
}
if (!file.exists(file)) {
if (!dir.exists(dirname(file))) {
dir.create(dirname(file), recursive = TRUE)
}
status <- suppressWarnings(
utils::download.file(url, destfile = file, quiet = !verbose)
)
if (status != 0) stop("Cannot download file from ", url, call. = FALSE)
}
readRDS(file)
}
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