parse_http_date function

Parse and print http dates.

As defined in RFC2616, https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3, there are three valid formats:

• Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123
• Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
• Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format

parse_http_date(x, failure = structure(NA_real_, class = "Date"))

http_date(x)

Arguments

• x: For parse_http_date, a character vector of strings to parse. All elements must be of the same type.

  For http_date, a POSIXt vector.

• failure: What to return on failure?

Returns

A POSIXct object if succesful, otherwise failure

Examples

parse_http_date("Sun, 06 Nov 1994 08:49:37 GMT")
parse_http_date("Sunday, 06-Nov-94 08:49:37 GMT")
parse_http_date("Sun Nov  6 08:49:37 1994")

http_date(Sys.time())