Re: [R] writintg wrappers around save()

From: Gabor Grothendieck <ggrothendieck_at_gmail.com>
Date: Fri, 21 Mar 2008 16:24:25 -0400

Try this:

save.verbose <- function(..., file) {
 cat("save.verbose:", file, "\n")
 eval.parent(substitute(save(..., file=file))) }

On Fri, Mar 21, 2008 at 3:56 PM, Vadim Organovich <vogranovich_at_jumptrading.com> wrote:
> Dear R-users,
>
> I am trying to write a wrapper function around save() that will report the file which is being saved to.
>
> So I thought that the followintg would do the trick, but it doesn't. I understand that 'y' is somehow not visible inside save.verbose, but don't know how to fix this.
>
> save.verbose <- function(..., file) {
> cat("save.verbose:", file, "\n")
> save(..., file=file)
> }
> > foo <- function(x) { y <- x; save.verbose('y', file='foo.rda') }; foo(1)
> save.verbose: foo.rda
> Error in save(..., file = file) : object 'y' not found
> Any suggestion how to fix this?
>
> Thank you for your time,
> Vadim
>
> P.S. I have a nagging feeling that I've already asked this question but I am not able to find any trace of it in the archives. My apologiesif this is so.
>
> [[alternative HTML version deleted]]
>
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>



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