学习小组Day4--。-R

屏幕截图 2022-03-08 044021.png

dir()

These functions produce a character vector of the names of files or directories in the named directory.

   dir(path = ".", pattern = NULL, all.files = FALSE,
       full.names = FALSE, recursive = FALSE,
       ignore.case = FALSE, include.dirs = FALSE, no.. = FALSE)

list.files()