Converts from CSV to EDN file

csv_to_edn_conversor.clj

(require '[clojure.data.csv :as csv]
         '[clojure.java.io :as io]
         '[clojure.string :as str])

(def in-filename  "input-filename.csv")
(def out-filename "output-filename.edn")

(let [csv-data (with-open [reader (io/reader (io/resource in-filename))]
                 (doall
                  (csv/read-csv reader)))
      maps-data (map zipmap
                     (->> (first csv-data) ;; First row is the header
                          (map #(str/replace % #"_" "-")) ;; Example, converts from bla_bla to bla-bla
                          (map keyword)
                          repeat)
                     (rest csv-data))]
  (with-open [writer (io/writer out-filename :append true)]
    (run!
     (fn [row-data]
       (.write writer (str row-data "\n")))
     maps-data)))