Read all scans of a specified format from a folder. This operation is recursive, i.e. also reads scans from the folder of a folder.
read_dir( path, extension = "x3p", hierarchy = c("land", "bullet", "barrel", "set") )
character describing the path to a folder
character value, consisting of the extension(s) describing the file format the scans are in
vector of characters describing the folder structure, starting from lowest level to highest.
data frame of x3p files with appropriate meta information