attachLocally.list

From R.utils v2.10.1 by Henrik Bengtsson

Assigns an objects elements locally

Assigns an objects elements locally.

Keywords: methods, utilities, programming

Usage

# S3 method for list
attachLocally(object, fields=NULL, excludeFields=NULL, overwrite=TRUE,
  envir=parent.frame(), ...)

Arguments

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.

Value

Returns (invisibly) a character vector of the fields copied.

Examples

# NOT RUN {
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)
# }

Documentation reproduced from package R.utils, version 2.10.1, License: LGPL (>= 2.1)

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