open(mode = 'r', perm = 0666) -> File[permalink][rdoc][edit]open(mode = 'r', perm = 0666) {|file| ... } -> object(?string | int mode, ?int perm) → File [T] (?string | int mode, ?int perm) { (File) → T } → T-
File.open(self.to_s, *args, &block) と同じです。
[SEE_ALSO] File.open