clojure [net.cgrand/csv "0.1.4"] clojure (ns your-namespace (:require [clojure-csv.core :as csv])) clojure (defn read-csv [file-path] (with-open [reader (io/reader file-path)] (doall (csv/parse-csv reader)))) clojure (defn write-csv [data file-path] (with-open [writer (io/writer file-path)] (csv/write-csv writer data))) clojure (defn process-csv-stream [input-file output-file] (with-open [input-stream (io/input-stream input-file) output-stream (io/output-stream output-file)] (let [csv-reader (csv/parse-csv-stream input-stream) csv-writer (csv/generate-csv-stream output-stream)] (doseq [row csv-reader] (csv/writerow csv-writer row))))) clojure (defn process-large-csv [file-path] csv-data (-> file-path (io/reader) (csv/parse-csv))] (doseq [chunk (partition-all chunk-size csv-data)] (process-chunk chunk))))