list.names: Get or set the names of a list by expression

In rlist: A Toolbox for Non-Tabular Data Manipulation

Description

Get or set the names of a list by expression

Usage

list.names(.data, expr)

Arguments

.data	A list or vector
expr	the expression whose value will be set as the name for each list element. If missing then the names of the list will be returned. If NULL then the names of the list will be removed.

Examples

list.names(c(1,2,3))
list.names(c(a=1,b=2,c=3))
list.names(c(1,2,3),letters[.])
list.names(list(list(name='A',value=10),list(name='B',value=20)), name)

Example output

NULL
[1] "a" "b" "c"
a b c 
1 2 3 
$A
$A$name
[1] "A"

$A$value
[1] 10


$B
$B$name
[1] "B"

$B$value
[1] 20

rlist documentation built on Sept. 5, 2021, 5:30 p.m.