diff --git a/src/tse/lr5/Utils.java b/src/tse/lr5/Utils.java
new file mode 100644
index 0000000..4f8a0f2
--- /dev/null
+++ b/src/tse/lr5/Utils.java
@@ -0,0 +1,21 @@
+package tse.lr5;
+
+import java.io.File;
+import java.io.FilenameFilter;
+
+/**
+ * @author aNNiMON
+ */
+public class Utils {
+
+    public static File[] readFiles(String path, final String extension) {
+        File dir = new File(path);
+        return dir.listFiles(new FilenameFilter() {
+
+            @Override
+            public boolean accept(File dir, String name) {
+                return name.toLowerCase().endsWith(extension);
+            }
+        });
+    }
+}
\ No newline at end of file