I often have boxed data like

'a';'bc';'def'

that I want to run together with delimiters, for example

a-bc-def

I admit this is not such a challenge; my best solution is

}:@;@:(,&'-'&.>) 'a';'bc';'def'


But I don't like the way it looks; especially I don't like
that }: is really the obverse of (,&'-') but that fact does not
appear (and I don't want to add yet more code by replacing }:
with ,&'-'^:_1 ).

We have a function that runs boxes together: ;:^:_1 .  Why
not let it take a Fit that gives the delimiter
(' ' by default)?  Then I would write

;:^:_1!.'-' 'a';'bc';'def'

Much more elegant, I say.

Henry Rich

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