[Rd] "R CMD Sweave --driver=..." woes

[Kurt Hornik]

>>>>> Vincent Goulet via R-devel writes:

Thanks: fixed now in the trunk with c78751.

Best
-k

> In trying to change the driver used by Sweave on the command line using 
>    R CMD Sweave --driver=foo

> I consistently get the "directory 'foo' does not exist' error. (For any value of 'foo', even the default 'RweaveLatex'.)

> Looking up the source code for function .Sweave that is called by 'R CMD Sweave', I notice that the argument 'driver', if used, is added to the vector of arguments of ''buildVignette' without being named. It ends up being passed to argument 'dir', hence rhe error.

> I believe the simple patch below should fix the issue, but I wasn't able to test it.

> Hope this helps.

> v.

> Vincent Goulet
> Professeur titulaire
> École d'actuariat, Université Laval


> Index: src/library/utils/R/Sweave.R
> ===================================================================
> --- src/library/utils/R/Sweave.R	(revision 78746)
> +++ src/library/utils/R/Sweave.R	(working copy)
> @@ -516,7 +516,7 @@
>         do_exit(1L)
>     }
>     args <- list(file=file, tangle=FALSE, latex=toPDF, engine=engine, clean=clean)
> -    if(nzchar(driver)) args <- c(args, driver)
> +    if(nzchar(driver)) args <- c(args, driver=driver)
>     args <- c(args, encoding = encoding)
>     if(nzchar(options)) {
>         opts <- eval(str2expression(paste0("list(", options, ")")))

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