Re: [R] wrapper for save function

From: Erik Iverson <iverson_at_biostat.wisc.edu>
Date: Tue, 26 Feb 2008 11:12:17 -0600

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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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Tue 26 Feb 2008 - 17:15:51 GMT

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