From 48ad95364898a5d70f6b43108d91c4ea4f5eed34 Mon Sep 17 00:00:00 2001
From: VaclavT <vaclavt@gmail.com>
Date: Mon, 22 Mar 2021 06:50:46 +0100
Subject: [PATCH] fix for non existing dirs in ls-dir

---
 ml_io.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ml_io.cpp b/ml_io.cpp
index 0fc3e7f..1889b65 100644
--- a/ml_io.cpp
+++ b/ml_io.cpp
@@ -36,7 +36,7 @@ MlValue list_dir(const std::string &path) {
 
 	DIR *dirp = opendir(path.c_str());
 	if (dirp == NULL) {
-		// handle error - probably not a dir or non existing path
+		throw std::runtime_error("could not open dir (" + path + ")");
 	}
 	struct dirent *dp;
 	while ((dp = readdir(dirp)) != NULL) {