[![enter image description here](https://i.stack.imgur.com/AShGy.png)](https://i.stack.imgur.com/AShGy.png)

I'm working in win 10 with git-bash. I have a number of files listed above with no extension. I'd like to add .jpg extensions to all. I've tried

```
$ for f in *; do mv "$f" "${f%.jpg}"; done

```

What am I doing wrong?