return the name which can be used as a temporary file
s3_file_temp(pattern = "file", tmp_dir = "", ext = "")
(character): A character vector with the non-random portion of the name.
(character): The directory the file will be created in. By default
the cached s3 bucket will be applied otherwise ""
will be used.
(character): A character vector of one or more paths.
character vector of s3 uri paths
if (FALSE) {
# Require AWS S3 credentials
s3_file_temp(tmp_dir = "MyBucket")
}