Merge branch 'development' of github.com:UtrechtUniversity/irods-rule…

…set-uu into development

tools/metadata/vault-check-orcid-format.r

@@ -53,14 +53,20 @@ def main(rule_args, callback, rei):
             genquery.AS_TUPLE,
             callback)
 
+        metadata_files_list = [ row for row in metadata_files]
+
         for coll in data_packages:
             json_file = None
 
-            for (coll_, metadata_file) in metadata_files:
+            for (coll_, metadata_file) in metadata_files_list:
                 if coll == coll_:
                     json_file = metadata_file
                     break
 
+            if json_file is None:
+                callback.writeLine("stdout", "Error: could not find metadata file for {} (schema {})".format(coll, schema))
+                continue
+
             wrote_package_line = False
 
             md = get_metadata_as_dict(callback, coll + '/' + json_file)