diff --git a/src/ast_commands.cpp b/src/ast_commands.cpp
new file mode 100644
index 0000000..a8b481d
--- /dev/null
+++ b/src/ast_commands.cpp
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2018 CESNET, https://photonics.cesnet.cz/
+ * Copyright (C) 2018 FIT CVUT, https://fit.cvut.cz/
+ *
+ * Written by Václav Kubernát <kubervac@fit.cvut.cz>
+ *
+*/
+#include "ast_commands.hpp"
+
+
+bool set_::operator==(const set_& b) const
+{
+    return this->m_path == b.m_path && this->m_data == b.m_data;
+}
+
+bool cd_::operator==(const cd_& b) const
+{
+    return this->m_path == b.m_path;
+}
+
+bool create_::operator==(const create_& b) const
+{
+    return this->m_path == b.m_path;
+}
+
+bool delete_::operator==(const delete_& b) const
+{
+    return this->m_path == b.m_path;
+}