[R] Cleaning things up?

[Guido Masarotto]

On Tue, Oct 17, 2000 at 09:06:11AM -0400, Yves Gauvreau wrote:
> Hi,
> 
> I know it must be written somewhere but I can't find it.
> 
> I'd like to remove all variables or objects that I've created but not the
> functions. I look at a few things without success. Is there a R way of doing
> this? There are to many to create a manual list.
> 

You can try something like 

> ls()
character(0)
> a<-1
> b<-2
> f<-function(x) x+1
> ls()
[1] "a" "b" "f"
> rm(list=ls()[!sapply(ls(),function(x)exists(x,mode="function"))])
> ls()
[1] "f"

but,..., be carefull, look  to the result of 'sapply' before doing
the true 'rm'.

guido
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