[R-pkg-devel] try() in R CMD check --as-cran

[Duncan Murdoch]

On 07/06/2019 1:53 p.m., William Dunlap wrote:
> I've attached a package, ppp_0.1.tar.gz, which probably will not get 
> through to R-help, that illustrates this.
> It contains one function which, by default, triggers a 
> condition-length>1 issue:
>     f <- function(x = 1:3)
>     {
>         if (x > 1) {
>             x <- -x
>         }
>         stop("this function always gives an error")
>     }
> and the help file example is
>     try(f())
> 
> Then
>     env _R_CHECK_LENGTH_1_CONDITION_=abort,verbose R-3.6.0 CMD check 
> --as-cran ppp_0.1.tar.gz
> results in
> * checking examples ... ERROR
> Running examples in ‘ppp-Ex.R’ failed
> The error most likely occurred in:

Thanks, I see that now.  I'm still not seeing it without the explicit 
setting of the environment variable, i.e. --as-cran isn't setting it on 
the versions I'm using (3.6.0 and R-devel).

Duncan Murdoch