From 4e2bda2555c651cf2185df47345f1dc90789799c Mon Sep 17 00:00:00 2001
From: Morten Lund <melund@gmail.com>
Date: Tue, 14 Sep 2021 11:03:07 +0200
Subject: [PATCH] Better error message when seach_subdirs fails

fixes #69
---
 anypytools/abcutils.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/anypytools/abcutils.py b/anypytools/abcutils.py
index 5544e7b..a795a66 100644
--- a/anypytools/abcutils.py
+++ b/anypytools/abcutils.py
@@ -748,6 +748,10 @@ def start_macro(
         # Extend the folderlist if search_subdir is given
         if isinstance(search_subdirs, str) and isinstance(folderlist[0], str):
             folderlist = sum([getsubdirs(d, search_subdirs) for d in folderlist], [])
+            if len(folderlist) == 0:
+                raise ValueError(
+                    f"No subdirectories found, which match the file:{search_subdirs}"
+                )
         # Check for explicit logfile
         if not isinstance(logfile, (type(None), str, os.PathLike)):
             raise ValueError("logfile must be a str or path")