Extract dates from files names

Usage

extr_dates(names_img, n = 2, sep = "_", extension = ".gpkg")

Arguments

names_img: chr. The files basenames.
n: int. Will take the character string number n after the separation.
sep: chr. The separator
extension: chr. The extension of the file names to be removed.

Examples

names_img <- c("crown_896_Hylodendron gabunense_20220427.jpeg",
               "crown_896_Hylodendron gabunense_20220511.jpeg",
               "crown_896_Hylodendron gabunense_20220525.jpeg")

extr_dates(names_img = names_img,
           n = 4,
           sep = '_',
           extension = '.jpeg')
#> [1] "2022_04_27" "2022_05_11" "2022_05_25"

extr_dates(names_img = names_img,
           n = 4,
           sep = ' ',
           extension = '.jpeg')
#> [1] "20220427" "20220511" "20220525"