zsh oh my zsh does this with dots, which I like better because I can add one more dot for one more dot instead of backspacing to replace a number I used to hav

zsh oh my zsh does this with dots, which I like better because I can add one more dot for one more dot instead of backspacing to replace a number I used to have a similar 'u' bash func that took a number like yours, the dots are better imo