diff --git a/project.clj b/project.clj
index 41462bb..3dd9311 100644
--- a/project.clj
+++ b/project.clj
@@ -14,7 +14,8 @@
                  [io.aviso/pretty "0.1.37"]
                  [me.raynes/fs "1.4.6"]
                  [pandect "0.6.1"]
-                 [selmer "1.12.17"]]
+                 [selmer "1.12.17"]
+                 [prismatic/schema "1.1.12"]]
   :deploy-repositories [["snapshots" :clojars]
                         ["releases" :clojars]]
   :source-paths ["src"]
diff --git a/src/cryogen_core/classpath_able_io.clj b/src/cryogen_core/classpath_able_io.clj
index 9c93c81..2f6ec4e 100644
--- a/src/cryogen_core/classpath_able_io.clj
+++ b/src/cryogen_core/classpath_able_io.clj
@@ -8,7 +8,8 @@
 
 (ns cryogen-core.classpath-able-io
   (:require [clojure.java.io :as io]
-            [clojure.string :as s]))
+            [clojure.string :as s]
+            [schema.core :as s]))
 
 (def public "resources/public")
 
@@ -22,21 +23,32 @@
 
 (defn filter-for-ignore-patterns
   [ignore-patterns source-list]
-  (filter #(not (re-matches ignore-patterns %)) source-list))
+  (filter #(not (re-matches ignore-patterns %)) source -list))
 
 ; TODO: Datenstruktur [s/Str]
 
-(defn delete-file-recursive
-  [folders]
-  (when (not (empty? folders))
-    (let [file-to-work-with (first folders)
-          ; TODO: .list fehlt noch
-          file-list         (filter #(.isFile %) file-to-work-with)
-          dir-list          (filter #(not (.isFile %)) file-to-work-with)]
-      (doseq [file file-list] (io/delete-file file))
-      (when (not (empty? dir-list))
-        (recur (drop 1 dir-list)))
-      (io/delete-file file-to-work-with))))
+(s/defn get-file-paths-recursive :- [s/Str]
+  [base-path :- s/Str
+   paths :- [s/Str]]
+  (loop [paths  paths
+         result []]
+    (when (not (empty? paths))
+      (let [path-to-work-with (first paths)
+            path-content      (.list (io/file (str base-path "/" path-to-work-with)))
+            file-list         (filter #(.isFile %) path-content)
+            dir-list          (filter #(not (.isFile %)) path-content)]))))
+
+; (defn delete-file-recursive
+;   [folders]
+;   (when (not (empty? folders))
+;     (let [file-to-work-with (first folders)
+;           ; TODO: .list fehlt noch
+;           file-list         (filter #(.isFile %) file-to-work-with)
+;           dir-list          (filter #(not (.isFile %)) file-to-work-with)]
+;       (doseq [file file-list] (io/delete-file file))
+;       (when (not (empty? dir-list))
+;         (recur (drop 1 dir-list)))
+;       (io/delete-file file-to-work-with))))
 
 (defn file-from-cp
   [resource-path]
diff --git a/test/cryogen_core/classpath_able_io_test.clj b/test/cryogen_core/classpath_able_io_test.clj
index 3e188af..91e8e4e 100644
--- a/test/cryogen_core/classpath_able_io_test.clj
+++ b/test/cryogen_core/classpath_able_io_test.clj
@@ -12,6 +12,8 @@
             [clojure.java.io :as io]
             [cryogen-core.classpath-able-io :as sut]))
 
+(set-fn-validation! true)
+
 (def theme "bootstrap4-test")
 
 (def target "target/tmp")
@@ -23,12 +25,30 @@
   (and (verify-file-exists path)
        (.isDirectory (io/file path))))
 
-(deftest test-wipe-public-folder
-  (is
-   (do
-     (.mkdir (io/file target))
-     (sut/delete-file-recursive (seq (io/file target)))
-     (not (verify-dir-exists target)))))
+(deftest test-get-file-paths-recursive
+  (is (= 
+       ["js/dummy.js"]
+       (sut/get-file-paths-recursive "templates/themes/bootstrap4-test" ["js/dummy.js"]))
+      (is (= 
+       ["/css/dummy.css"
+        "css"
+        "/html/404.html"
+        "/html/403.html"
+        "/html"
+        "html"
+        "js/subdir/subdummy.js"
+        "js/subdir/test.js"
+        "js/subdir"
+        "js/dummy.js"
+        "js"]
+       (sut/get-file-paths-recursive "templates/themes/bootstrap4-test" [""])))))
+
+; (deftest test-delete-file-recursive
+;   (is
+;    (do
+;      (.mkdir (io/file target))
+;      (sut/delete-file-recursive (seq (io/file target)))
+;      (not (verify-dir-exists target)))))
 
 (deftest test-file-from-cp-or-filesystem
   (is
@@ -70,4 +90,4 @@
                (str target "/templates/themes/bootstrap4-test/css/dummy.css"))
               (verify-file-exists
                (str target "/templates/themes/bootstrap4-test/html/404.html"))
-              ))))
\ No newline at end of file
+              ))))