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Re: adding array elements

by Fletch (Chancellor)
on Mar 09, 2011 at 17:03 UTC ( #892238=note: print w/ replies, xml ) Need Help??


in reply to adding array elements

;; Presented with just about as much Perl as the OP . . . (ns sumcols (:use [clojure.contrib.str-utils :only (re-split)]) (:use [clojure.contrib.duck-streams :only (read-lines)])) (defn sumline [acc line] (loop [a acc l (map #(Float. %) (re-split #"\s+" line)) idx 0] (if (empty? l) a (recur (assoc a idx (+ (get a idx 0) (first l))) (rest l) (inc i +dx))))) (defn sumcols [filename] (loop [acc {} lines (filter #(> (count %) 0) (read-lines filename))] (if (empty? lines) (vals acc) (recur (sumline acc (first lines)) (rest lines))))) (println (sumcols (first *command-line-args*)))

The cake is a lie.
The cake is a lie.
The cake is a lie.


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