diff --git a/resources/install/scripts/resources/functions/is_absolute_path.lua b/resources/install/scripts/resources/functions/is_absolute_path.lua
new file mode 100644
index 0000000000..8d70986910
--- /dev/null
+++ b/resources/install/scripts/resources/functions/is_absolute_path.lua
@@ -0,0 +1,3 @@
+function is_absolute_path(file_name)
+	return string.sub(file_name, 1, 1) == '/' or string.sub(file_name, 2, 1) == ':'
+end