`num->float3``["-10.000" "-1.000" "-2.000"]` -> `["-1.000" "-10.000" "-2.000"]`
(with-open [rdr (clojure.java.io/reader (first *command-line-args*))]
(doseq [line (remove empty? (line-seq rdr))]
(let [nums (-> line splt-num str->num sort)]
(println (join " " nums)))))
Clojure`def`letlet