list.match: Select members of a list that match given regex pattern

In rlist: A Toolbox for Non-Tabular Data Manipulation

Description

Select members of a list that match given regex pattern

Usage

list.match(.data, pattern, ...)

Arguments

.data	A list or vector
pattern	character. The regex pattern to match the name of the members
...	Additional parameters to pass to grep

Examples

x <- list(p1 = list(type='A',score=list(c1=10,c2=8)),
       p2 = list(type='B',score=list(c1=9,c2=9)),
       p3 = list(type='B',score=list(c1=9,c2=7)))
list.match(x,'p[12]')
list.match(x,'3')

Example output

$p1
$p1$type
[1] "A"

$p1$score
$p1$score$c1
[1] 10

$p1$score$c2
[1] 8



$p2
$p2$type
[1] "B"

$p2$score
$p2$score$c1
[1] 9

$p2$score$c2
[1] 9



$p3
$p3$type
[1] "B"

$p3$score
$p3$score$c1
[1] 9

$p3$score$c2
[1] 7

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