Wildcard globbing

Helper function for globbing character vectors

Usage

glob(x, pattern = NULL, value = TRUE, ...)

Arguments

x

A vector of characters

pattern

Wildcard globbing pattern

value, ...

Additional parameters passed to grep. Note: value is by default TRUE; when NA, ... is passed to grepl.

Examples

x <- c("apple", "banana", "peach", "pear", "orange")
glob(x, "*e")
#> [1] "apple"  "orange"
glob(x, "pea*", value = FALSE)
#> [1] 3 4
glob(x, "*an*", value = NA)
#> [1] FALSE  TRUE FALSE FALSE  TRUE

path <- system.file("R", package = "mark")
glob(list.files(path), "r*")
#> character(0)