On Fri, Feb 12, 2010 at 5:35 AM, blue sky <bluesky...@gmail.com> wrote:
> According to R-exts.pdf (page 3):
> For maximal portability filenames should only
> contain only ASCII characters not excluded already (that is
> A-Za-z0-9._!#$%&+,;=...@^(){}’[]
>
> I have some files with special characters like '[' and '%' e.g.
> '[.set.R'.That character list in your extract from R-exts.pdf is a list of non-special characters. And [ and % are in there. It's clarification of three sentences previous, which says: "the characters ‘"’, ‘*’, ‘:’, ‘/’, ‘<’, ‘>’, ‘?’, ‘\’, and ‘|’ are not allowed in file names" > I also have some functions that also have those special > characters defined in those files exported in NAMESPACE. > > I use the following command to install. And I get no warning or errors. > > R CMD INSTALL -d -l my_custom_dir my.pkg > > I then load the package. I get the following errors and warnings. I > changed a file to one without these special characters. Then the > corresponding warning/error disappears. Is it the case that there > should never be files with special characters as names? > >> library(my.pkg) > Error in namespaceExport(ns, exports) : > undefined exports: %is% > In addition: Warning message: > S3 methods ‘[.set’ were declared in NAMESPACE but not found > Error: package/namespace load failed for 'my.pkg' Have you done an R CMD check on your package? I suspect a problem in your NAMESPACE file, but it's not related to "special characters". Barry ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
