Looks like `rc` to me.

On Tue, Jan 26, 2021 at 5:32 PM Dario Niedermann <dario@darioniedermann.it> wrote:
Il 24/01/2021 alle 06:44, Anthony Martin ha scritto:

>% for(i in `{seq 0 2 8}) date -u 0x$i^0000000

I give up... what interpreter is this?

--
Dario Niedermann   -:-   finger my email address for PGP key, etc.

Also on the Internet at:            <gopher://darioniedermann.it/>
                                 <https://www.darioniedermann.it/>