ややこしい英文
否定が多すぎる。
no-fail If the file already exists,
the exception with condition type &i/o-file-already-exists is not raised,
even if no-create is not included, and the file is truncated to zero length.
否定が多すぎる。
no-fail If the file already exists,
the exception with condition type &i/o-file-already-exists is not raised,
even if no-create is not included, and the file is truncated to zero length.