[R] wrapper for save function

[Erik Iverson]

Of course the second this showed up on R-help, I got rid of the formal 
argument 'mydata' and just used ..., which seems to have solved the problem.

Erik

Erik Iverson wrote:
> Hello -
> 
> I would like to create a wrapper to the 'save' function in the base 
> package, but have a small problem with the name of the object that is 
> getting saved in the file.  Below is a simple example illustrating my 
> problem.
> 
> ## BEGIN SAMPLE R CODE
> 
> ##################################################
> ## Here is the wrapper for the save function
> ##################################################
> 
> wrapsave <- function(mydata, ...) {
>    save(mydata, ...)
> }
> 
> ##################################################
> ## Create a test data.frame and save it
> ##################################################
> 
> testdf <- data.frame(a = rnorm(10), b = rnorm(10))
> wrapsave(testdf, file = "~/test.Rdata")
> 
> ##################################################
> ## remove test data.frame and try to load it
> ##################################################
> 
> rm(testdf)
> load(file = "~/test.Rdata")
> 
> ## END SAMPLE R CODE
> 
> After the load function is called, an object called 'testdf' does not 
> exist in the global environment, but an object called 'mydata' does. I 
> understand why, but I'd like 'wrapsave' to save the object passed to it 
> with the name of the object it was called with, in this case 'testdf'. 
> Is this possible?
> 
> Thank you,
> Erik Iverson
> 
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