attachLocally.list {R.utils} | R Documentation |
Assigns an objects elements locally.
## S3 method for class 'list': attachLocally(object, fields=NULL, excludeFields=NULL, overwrite=TRUE, envir=parent.frame(), ...)
object |
An object with named elements such as an environment ,
a list , or a data.frame . |
fields |
A character vector specifying elements to be copied.
If NULL , all elements are considered. |
excludeFields |
A character vector specifying elements not to
be copied. This has higher priority than fields . |
overwrite |
If FALSE , fields that already exists will not be
copied. |
envir |
The environment where elements are copied to. |
... |
Not used. |
Returns (invisibly) a character
vector
of the fields copied.
Henrik Bengtsson (http://www.braju.com/R/)
attachLocally()
of class Object.
attach
().
foo <- function(object) { cat("Local objects in foo():\n") print(ls()) attachLocally(object) cat("\nLocal objects in foo():\n") print(ls()) for (name in ls()) { cat("\nObject '", name, "':\n", sep="") print(get(name, inherits=FALSE)) } } a <- "A string" l <- list(a=1:10, msg="Hello world", df=data.frame(a=NA, b=2)) foo(l) print(a)