OK, that was the hint I needed: tcsh> unsetenv no_proxy
did the magic! Now readLines() works! The no_proxy variable is empty but present in the normal SuSe system. Thank you for your help Luzie On Mon, Jan 12, 2004 at 05:12:19PM +0000, Prof Brian Ripley wrote: > It is not readLines() that does not work but url(). Have you tried > looking at the increased level of output which is available to see why? > It is described under ?download.file and ?option, option "internet.info". > > We can't tell from your diagnostics if no_proxy is set but empty or unset. > It does have to be unset and I believe SuSe systems have a habit of having > it set but empty. > > > On Mon, 12 Jan 2004, Luzie U. Wingen wrote: > > > Hello, > > > > I am using R version 1.8.1 on a linux machine (Suse 8.2.). > > I have problems to use readLines() with urls. > > > > This seems to be a problem with our proxy-server. > > Downloading files work with download.file() with wget but not without: > > > > > download.file(url = "http://cran.r-project.org/src/contrib/PACKAGES";, destfile = > > > "test.txt", method = "wget", cacheOK = FALSE) > > This works! > > > > > download.file(url = "http://cran.r-project.org/src/contrib/PACKAGES";, destfile = > > > "test.txt", cacheOK = FALSE) > > This does not work! > > > > For readLines() there seems not to be the possibility to use wget. > > So I can only read the local pages which are accessible without proxy-server > > but not: > > > > > readLines(url("http://cran.r-project.org/src/contrib/PACKAGES";)) > > This does give the following response after 60 sec: > > >Error in readLines(url("http://cran.r-project.org/src/contrib/PACKAGES";), : > > cannot open the connection > > >In addition: Warning message: > > >unable to connect to 'cran.r-project.org' on port 80. > > > > After reading the help pages I checked the http_proxy environmental > > variable, which seems to be OK to me: > > > > > Sys.getenv("http_proxy") > > http_proxy > > "http://proxy.mh-hannover.de:8080/"; > > > Sys.getenv("no_proxy") > > no_proxy > > "" > > > > Setting the options options(download.file.method="wget") helps > > for download.file() but not for "readLines(). > > > > Does anybody has a further idea, how to manipulate readLines() > > so that it uses the proxy-server? > > > > Thank you > > > > Luzie > > > > -- > Brian D. Ripley, [EMAIL PROTECTED] > 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 > -- Luzie U. Wingen, Institut fuer Zell- und Molekularpathologie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, 30625 Hannover, Tel.: (+49) 0511-532-9432, Fax: -4521, Email: [EMAIL PROTECTED] ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
