[Rd] How to debug an R package (with C code)

Hi all, Sorry to bother you. I am a beginner in R programming. I have encountered some problems when I modified a R package with C code. I would like to modified the C code within the R package, and want to debug the C program. But I have no idea how to debug this kind of R package. In the pac

[Rd] file.exists does not like path names ending in /

If a path name ends in slash then file.exists says it does not exist. I would have expected these to all return TRUE. > file.exists("/Program Files") [1] TRUE > file.exists("/Program Files/") [1] FALSE > file.exists(normalizePath("/Program Files/")) [1] FALSE > R.version.string [1] "R version 3.0.

[Rd] win.version() incorrect

On Windows 8.1 I get this. win.version() indicates build 9200 but I actually have build 9600 as can be seen from the ver command. shell("winver") also indicates 9600. I assume ver and winver are correct and win.version() is not. > win.version() [1] "Windows 8 x64 (build 9200)" > shell("ver") M