Get JSON Data via InLein script

get-json-data.clj

'{:dependencies [[org.clojure/clojure "1.8.0"]
                 [cheshire "5.8.0"]]}

(require '[cheshire.core :as json])

(def j (cheshire.core/parse-string (slurp "j.json") true))

(def file-names (->> j
                     :definitions
                     (map (comp last #(clojure.string/split #"\.") :file))
                     distinct
                     (filter (partial re-find #"css"))))

(println file-names)