[Rd] wishlist: better error message in R CMD check

[Uwe Ligges]

Gabor Grothendieck wrote:

> Liaw, Andy <andy_liaw <at> merck.com> writes:
> 
> 
>>Gabor,
>>
>>I guess is that you did not try to run R CMD INSTALL before R CMD check.  R
>>CMD check will try to install the package first (in pkg.Rcheck), and only if
>>that's successful would checks be done.
>>
>>The installation process will concatenate all R files in R/ to a single file
>>and essentially source() that in upon package loading.  That's where you
>>would see the syntax error.  I believe the recommended way is to install the
>>package and play with that a bit first, before doing R CMD check.  You'd
>>find some problems are much easier to find that way (e.g., errors in
>>NAMESPACE).
> 
> 
> Thanks. Unfortunately if I run R CMD INSTALL
> I get this:
> 
> [...]
>   preparing package zoo for lazy loading
> Error in tools:::.read_description(file) :
>         file '/DESCRIPTION' does not exist
> Execution halted
> make: *** [lazyload] Error 1
> *** Installation of zoo failed ***
> 
> Removing 'C:/PROGRA~1/R/RW2001~1/library/zoo'
> 
> I get a similar message if I run R CMD build --binary .
> 
> The DESCRIPTION file definitely exists so I assume it to
> be something else.  

In a few minutes, I'll comment to the "/DESCRIPTION" error in the other 
R-devel thread "[Rd] creating a package without lazy loading" you have 
opened.


The next error below is unrelated, AFAICS. You been bitten by a bug in 
some function, but we cannot say without a reproducible example, e.g. a 
minimal (!!!) version of the non-working package sources.

Uwe Ligges



> If I run run R CMD check then it crashes (that is,
> I get a popup asking me if I want to send a bug report to 
> Microsoft) at various points depending on which example
> code in the .Rd files I comment out).  If I comment out
> enough to let it run past them all then I get the following
> (where I have added the dots at the beginning of each
> line in this post to circumvent's gmane's top posting filter):
> 
> .> ### * runmean
> .>
> .> flush(stderr()); flush(stdout())
> .>
> .> ### Name: runmean
> .> ### Title: Running Means/Maximums/Medians
> .> ### Aliases: runmean runmax runmed
> .> ### Keywords: ts
> .>
> .> ### ** Examples
> .>
> .> # x.date <- as.POSIXct(paste("2003-", rep(1:4, 4:1), "-", sample(1:28, 10, 
> replace = TRUE), sep =
> ""))
> .> # x <- zoo(rnorm(12), x.date)
> .>
> .> # runmean(x, 5)
> .> # runmax(x, 5)
> .> # runmed(x, 5)
> .>
> .>
> .>
> .> cleanEx(); ..nameEx <- "value"
> 
> I assume its the cleanEx line that is the problem but that is
> not one my lines.  I would have tried it with an earlier
> version of R but I don't want to overwrite the version
> of the package I have installed on R 2.0.0 since then I will
> be unable to proceed at all.
> 
> I am using Windows XP and R 2.0.1beta .
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