calculate-wordpress-usage/src/wordpress_used/core.clj

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(ns wordpress-used.core
(:require
[clj-http.client :as client]
[clojure.data.csv :as csv]
[clojure.java.io :as io]
) (:gen-class))
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(defn read-csv-domains
"Read CSV file with all domains"
[url]
(with-open [reader (io/reader (io/resource url))]
(doall (csv/read-csv reader))))
(defn save-csv-domains
"Save the list with the domains in a CSV file"
[url new-domains]
(with-open [writer (io/writer url)]
(csv/write-csv writer new-domains)))
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(defn wordpress?
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"Check if a web page is generated with WordPress"
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[url]
(let [response (client/get (str "http://" url "/") {:ignore-unknown-host? true, :connection-timeout 5000, :throw-exceptions false})]
(every? identity [(re-find (re-pattern "meta.*generator.*WordPress") (:body response))])))
(defn -main
[& args]
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(let [;; Name of the file containing the CSV with the domains
file-csv "top-1m-test.csv"
;; List with domains
domains (read-csv-domains file-csv)
;; List with domains with a boolean indicating if it is generate or not in WordPress
domains-checks (doall (vec (map #(conj % (wordpress? (get % 1))) domains)))]
;; Save domains to CSV
(save-csv-domains file-csv domains-checks)))