join with a comma

Author: srosam

main.py

@@ -21,7 +21,7 @@ def main():
         files = []
         for p in Path("./").iterdir():
             files.append(p.name)
-        all_files = "\n".join(files)
+        all_files = ",".join(files)
         log_message(f"FILES_LISTING_1={all_files}")
 
         log_message("MY_VAR1=foo")