Download file in a graceful way — test

Function for downloading & testing url/internet connection according to CRAN policy Example solution strongly based on https://community.rstudio.com/t/internet-resources-should-fail-gracefully/49199/12 as suggested by kvasilopoulos

test_url(link, output, quiet = FALSE)

Arguments

link: character vector with URL to check
output: character vector for output file name
quiet: logical vector (TRUE or FALSE) to be passed to curl_download function. FALSE by default

Value

No return value, called for side effects

Examples

# \donttest{
 link = "https://www1.ncdc.noaa.gov/pub/data/noaa/2019/123300-99999-2019.gz"
 output = tempfile()
 test_url(link = link, output = output)
#> /tmp/RtmpWCv8r5/file15e871ec6ef1
# }