Common Lisp anyone ?
(defun chunky (strings &optional (chunksize 3))
(format nil "~{~A~%~}"
(loop while strings collect
(reduce #'(lambda (a b) (concatenate 'string a " " b))
(loop repeat chunksize append
(when strings (list (pop strings))))))))
(chunky '("a" "bb" "c" "d" "e" "f" "g" "h"))
"a bb c
d e f
g h
"
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