Lists. Need a bit of help

[Trying_to_learn]

Ah! Silly me! Yes, thanks.

Shall try it now.

Didn't think of that.

Bad news.

For reasons unknown, I don't get an output from that.

Running it from the CLI, it works.
But putting that command into the exec node and pressing the button. Nothing.

I think that is because (after a bit of digging) the CLI doesn't finish the command and exit.

It is locked in the command.

So alas that can't work as it is.