ls() and classes

Rolf Turner <r.turner at auckland.ac.nz> wrote in
news:72856D72-D960-48ED-AA77-ABD353548C08 at auckland.ac.nz:

On 19/03/2008, at 4:39 PM, Erin Hodgess wrote:

Dear R People:

I want to get the class of all of the objects in my directory.

Too easy!!!

sapply(ls(),function(x){class(get(x))})

Thank you, Rolf. That supplied the needed index to the question I 
struggled with yesterday: How to get a list of only my dataframes:

ls()[sapply(ls(),function(x){class(get(x))}) == "data.frame"]

David Winsemius