This is generally called ASV for ASCII-separated values, or USV for Unicode-separated values (e.g. U+241E, which is different from the ASCII U+001E equivalent).

This is generally called ASV for ASCII-separated values, or USV for Unicode-separated values (e.g. U+241E, which is different from the ASCII U+001E equivalent). Also, as wonderful as this would be, as other comments say, no one uses it because no one uses it.