Add the action-type to distinguish the actions.

src/cipher_analytical_machine/cli.clj

@@ -62,7 +62,12 @@
                (contains? options :message-file))
            (or (contains? options :encrypt)
                (contains? options :decrypt)))
-      {:options options :arguments arguments}
+      (cond
+        (contains? options :encrypt)
+        {:options options :arguments arguments :action-type :encrypt}
+
+        (contains? options :decrypt)
+        {:options options :arguments arguments :action-type :decrypt})
 
       :else
       {:exit-message (usage summary)})))
@@ -83,16 +88,15 @@
     (file/read-file (:message-file options))))
 
 (defn actions
-  [options arguments]
-  (println (str options arguments))
+  [options arguments action-type]
   (let [message (get-message options arguments)
         key (Integer/parseInt (:key options))
-        symbols "abc"]
+        symbols (:symbols options)]
     (println
      (cond
-       (contains? options :encrypt)
+       (= action-type :encrypt)
        (caesar/encrypt-message message key symbols)
 
-       (contains? options :decrypt)
+       (= action-type :decrypt)
        (caesar/decrypt-message message key symbols)))))