diff --git a/src/kiss/Kiss.hx b/src/kiss/Kiss.hx
index cee9c8c..4878692 100644
--- a/src/kiss/Kiss.hx
+++ b/src/kiss/Kiss.hx
@@ -110,6 +110,7 @@ class Kiss {
                 "zipDrop" => Symbol("Prelude.zipDrop"),
                 "zipThrow" => Symbol("Prelude.zipThrow"),
                 "joinPath" => Symbol("Prelude.joinPath"),
+                "readDirectory" => Symbol("Prelude.readDirectory"),
             ],
             fieldList: [],
             fieldDict: new Map(),
diff --git a/src/kiss/Prelude.hx b/src/kiss/Prelude.hx
index f5992b8..ab16ea6 100644
--- a/src/kiss/Prelude.hx
+++ b/src/kiss/Prelude.hx
@@ -622,6 +622,14 @@ class Prelude {
         return Lambda.filter(l, p);
     }
 
+    #if (sys || hxnodejs)
+    public static function readDirectory(dir:String) {
+        return [for (file in FileSystem.readDirectory(dir)) {
+            joinPath(dir, file);
+        }];
+    }
+    #end
+
     public static var newLine = "\n";
     public static var backSlash = "\\";
 }