Function to read a directory worth of data

read_my_dir.R

library("dplyr")
library("tidyr")
library("readr")

read_my_csv = function(f, into) {
  readr::read_csv(f) %>%
    dplyr::mutate(file = f) %>%
    tidyr::separate(file, into) 
}

read_my_dir = function(path, pattern, into) {
  files = list.files(path       = path,
                     pattern    = pattern,
                     recursive  = TRUE,
                     full.names = TRUE)
  plyr::ldply(files, read_my_csv, into = into)
}