Remove files without extension problem

[ladecadence]

If I try to use rm **/*.!(exe|doc) I get "syntax error near unexpected token `('" That line is a valid bash expansion.

[0ki]

While I don't think that this is a correct solution, this expansion could certainly be used to construct one.

I think this is caused by #84

[avioli]

The purpose of the site is to challenge you! Not show off how one or another command fails. Imagine you ssh into a machine and you have just bash of whatever version that doesn't support above solution. What do you do? Give up? Or come up with another, working solution?

That's the challenge.