On Thu, Aug 27, 2015 at 5:16 PM, Martin Maechler
<[email protected]> wrote:
> Probably I'm confused now...
> Both R-patched and R-devel give an error (after a *long* wait!)
> for
> download.file("https://someserver.com/mydata.csv";, "mydata.csv")
>
> So that problem is I think solved now.
I'm sorry for the confusion, this was a hypothetical example.
Connection failures are different from http status errors. Below some
real examples of servers returning http errors. For each example the
"internal" method correctly raises an R error, whereas the "libcurl"
method does not.
# File not found (404)
download.file("http://httpbin.org/data.csv";, "data.csv", method = "internal")
download.file("http://httpbin.org/data.csv";, "data.csv", method = "libcurl")
readLines(url("http://httpbin.org/data.csv";, method = "internal"))
readLines(url("http://httpbin.org/data.csv";, method = "libcurl"))
# Unauthorized (401)
download.file("https://httpbin.org/basic-auth/user/passwd";,
"data.csv", method = "internal")
download.file("https://httpbin.org/basic-auth/user/passwd";,
"data.csv", method = "libcurl")
readLines(url("https://httpbin.org/basic-auth/user/passwd";, method =
"internal"))
readLines(url("https://httpbin.org/basic-auth/user/passwd";, method = "libcurl"))
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