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juven/file-and-date.clj

Created December 13, 2013 15:38
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file-and-date.clj
(ns clj-demo.analyze-log
(:require [clojure.java.io :as io]
[clj-time.format :as fmt]))
; sample lines in httpd.log
; 50.16.207.27 - - [03/Jul/2011:22:03:46 -0500] "GET /........."
; somple out
; #<DateTime 2011-07-04T03:03:46.000Z>
(def httpd-format (fmt/formatter "[dd/MMM/yyyy:HH:mm:ss Z]"))
(defn parse-time [line]
(fmt/parse httpd-format
(re-find #"\[.+\]" line)))
(with-open [reader (io/reader (io/resource "httpd.log"))]
(doseq [line (line-seq reader)]
(println (parse-time line))))
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