[Rd] Feature request: report the url if 404 error occurs
Prof Brian Ripley
ripley at stats.ox.ac.uk
Tue Apr 26 08:25:27 CEST 2005
On Mon, 25 Apr 2005, Seth Falcon wrote:
> Currently, the connection code does not include the URL in the warning
> message when a 404 response is received:
>
> myUrl = "http://www.r-project.org/ABadPage.html"
> con = url(myUrl)
> readLines(con)
>
> Error in readLines(con) : cannot open the connection
> In addition: Warning message:
> cannot open: HTTP status was '404 Not Found'
>
> Would it be possible (and desirable) to include the URL in the warning
> message? Here's an example:
>
> Error in readLines(con) : cannot open the connection
> In addition: Warning message:
> cannot open 'http://www.r-project.org/ABadPage.html': HTTP status was '404 Not Found'
It is part of `con':
> con
description
"http://www.r-project.org/ABadPage.html"
class
"url"
mode
"r"
text
"text"
opened
"closed"
can read
"yes"
can write
"no"
Remember R is an interactive system: you just need to ask it for the
information you want.
This would be tedious to add, but you could submit a patch (remember there
are at least three places to look at in the internet code).
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
More information about the R-devel
mailing list