1 2 3 4 5 6 7 8 | file.create(..., showWarnings = TRUE)file.exists(...)file.remove(...)file.rename(from, to)file.append(file1, file2)file.copy(from, to, overwrite = recursive, recursive = FALSE)file.symlink(from, to)dir.create("tmp") |
check if the file or directory exists. create the file or directory
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