5 messages · Frank E Harrell Jr, Peter Dalgaard, Brian Ripley +1 more
Full_Name: Frank Harrell Version: 1.6.1 OS: RedHat 8.0 Linux Submission from: (NULL) (128.143.108.90) I get an error when trying to load a URL that contains a file that was saved using save(object, compress=TRUE):
Error in gzfile(file, "rb") : unable to open connection In addition: Warning message: cannot open compressed file `http://hesweb1.med.virginia.edu/biostat/s/data/sav/kprats.sav' The above file will remain at that URL for your testing. Thank you very much, Frank Harrell
fharrell@virginia.edu writes:
Full_Name: Frank Harrell Version: 1.6.1 OS: RedHat 8.0 Linux Submission from: (NULL) (128.143.108.90) I get an error when trying to load a URL that contains a file that was saved using save(object, compress=TRUE):
Error in gzfile(file, "rb") : unable to open connection In addition: Warning message: cannot open compressed file `http://hesweb1.med.virginia.edu/biostat/s/data/sav/kprats.sav' The above file will remain at that URL for your testing.
The root of the issue is that gzfile() doesn't know about URLs. Not documented to either, but (on the face of things) it would seem easy to add the feature.
O__ ---- Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept. of Biostatistics 2200 Cph. N (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk) FAX: (+45) 35327907
fharrell@virginia.edu writes:
Full_Name: Frank Harrell Version: 1.6.1 OS: RedHat 8.0 Linux Submission from: (NULL) (128.143.108.90) I get an error when trying to load a URL that contains a file that was saved using save(object, compress=TRUE):
Error in gzfile(file, "rb") : unable to open connection In addition: Warning message: cannot open compressed file `http://hesweb1.med.virginia.edu/biostat/s/data/sav/kprats.sav' The above file will remain at that URL for your testing.
The root of the issue is that gzfile() doesn't know about URLs. Not documented to either, but (on the face of things) it would seem easy to add the feature.
Right, this is not what the `file' argument of load() is documented as.
That is neither a file name nor a connection.
I am worried about attempting to get a binary file over a url connection,
but in principle what you should do is
load(url('http://hesweb1.med.virginia.edu/biostat/s/data/sav/kprats.sav'))
That fails I think because the connection cannot handle binary files,
but I will look further when I have time.
Brian D. Ripley, ripley@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 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595
On 4 Dec 2002, Peter Dalgaard BSA wrote:
fharrell@virginia.edu writes:
Full_Name: Frank Harrell Version: 1.6.1 OS: RedHat 8.0 Linux Submission from: (NULL) (128.143.108.90) I get an error when trying to load a URL that contains a file that was saved using save(object, compress=TRUE):
Error in gzfile(file, "rb") : unable to open connection In addition: Warning message: cannot open compressed file `http://hesweb1.med.virginia.edu/biostat/s/data/sav/kprats.sav' The above file will remain at that URL for your testing.
The root of the issue is that gzfile() doesn't know about URLs. Not documented to either, but (on the face of things) it would seem easy to add the feature.
Right, this is not what the `file' argument of load() is documented as.
That is neither a file name nor a connection.
I am worried about attempting to get a binary file over a url connection,
but in principle what you should do is
load(url('http://hesweb1.med.virginia.edu/biostat/s/data/sav/kprats.sav'))
That fails I think because the connection cannot handle binary files,
but I will look further when I have time.
Not sure if being binary creates problems as such, but what the connection would provide if it is working properly is the compressed data, and we wo not currently have the tools to decompress off a connection, as far as I know. luke
Luke Tierney University of Iowa Phone: 319-335-3386 Department of Statistics and Fax: 319-335-3017 Actuarial Science 241 Schaeffer Hall email: luke@stat.uiowa.edu Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu
On Wed, 4 Dec 2002 ripley@stats.ox.ac.uk wrote:
On 4 Dec 2002, Peter Dalgaard BSA wrote:
fharrell@virginia.edu writes:
Full_Name: Frank Harrell Version: 1.6.1 OS: RedHat 8.0 Linux Submission from: (NULL) (128.143.108.90) I get an error when trying to load a URL that contains a file that was saved using save(object, compress=TRUE):
Error in gzfile(file, "rb") : unable to open connection In addition: Warning message: cannot open compressed file `http://hesweb1.med.virginia.edu/biostat/s/data/sav/kprats.sav' The above file will remain at that URL for your testing.
The root of the issue is that gzfile() doesn't know about URLs. Not documented to either, but (on the face of things) it would seem easy to add the feature.
Right, this is not what the `file' argument of load() is documented as.
That is neither a file name nor a connection.
I am worried about attempting to get a binary file over a url connection,
but in principle what you should do is
load(url('http://hesweb1.med.virginia.edu/biostat/s/data/sav/kprats.sav'))
That fails I think because the connection cannot handle binary files,
but I will look further when I have time.
Not sure if being binary creates problems as such, but what the connection would provide if it is working properly is the compressed data, and we wo not currently have the tools to decompress off a connection, as far as I know.
What I meant was that an ASCII save file (rather than a binary save file) should work via url().
Brian D. Ripley, ripley@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 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595