Rajarshi Guha wrote:
>
>
> On Wed, Jan 14, 2009 at 8:33 AM, Laurent Gautier <[email protected]
> <mailto:[email protected]>> wrote:
>
> Well, it does not crash (segfault, only rumbles remaining),
> it just throws an exception about being unable to open the
> connection. ;-)
>
>
> Did you try to output to you webpage the outcome of:
>
> print(robjects.r('''file.info
> <http://file.info>(dir("/where/the/file/is"))'''))
>
>
> Thanks for the pointer. The output of the above with the appropriate path is
>
> structure(list(size = numeric(0), isdir = logical(0), mode =
> structure(integer(0), class = "octmode"),
> mtime = structure(numeric(0), class = c("POSIXt", "POSIXct"
> )), ctime = structure(numeric(0), class = c("POSIXt", "POSIXct"
>
> )), atime = structure(numeric(0), class = c("POSIXt", "POSIXct"
> )), uid = integer(0), gid = integer(0), uname = character(0),
> grname = character(0)), .Names = c("size", "isdir", "mode",
>
> "mtime", "ctime", "atime", "uid", "gid", "uname", "grname"), class =
> "data.frame", row.names = character(0))
>
Your output from
r_listdir = robjects.r('''file.info(dir("/where/the/file/is"))''')
is an empty directory. (?!) Try going up the directory structure and see
if any directory can be listed.
> I'm quite puzzled since Python can read the file, but R via Python is
> not able to. Could this be related to some permissions that are not
> propagated from the Python side to the R side?
> --
> Rajarshi Guha
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