str2str (version 1.0.0)

is.names: Test for `names`

Description

is.names returns whether elements of a character vector are names of an object.

Usage

is.names(nm, x)

Value

TRUE for every element of `nm` that is a name of `x` and FALSE otherwise. The structure is a logical vector with length = length(`nm`) and names = `nm`. See details for special cases.

Arguments

nm

character vector.

x

object whose names are desired to be tested.

Details

If the object does not have any names, then the function will return `FALSE` for each element `nm`.

Examples

v <- setNames(object = letters, nm = LETTERS)
is.names(x = v, nm = c("A","a"))
data("mtcars")
is.names(x = mtcars, nm = c("MPG","mpg"))