require(splines) # package
detach(package:splines)
## or also
library(splines)
pkg <- "package:splines"
detach(pkg, character.only = TRUE)
## careful: do not do this unless 'splines' is not already attached.
library(splines)
detach(2) # 'pos' used for 'name'
## an example of the name argument to attach
## and of detaching a database named by a character vector
attach_and_detach <- function(db, pos = 2)
{
name <- deparse(substitute(db))
attach(db, pos = pos, name = name)
print(search()[pos])
detach(name, character.only = TRUE)
}
attach_and_detach(women, pos = 3)
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