diff --git a/otime/yaml_io.py b/otime/yaml_io.py
new file mode 100644
index 0000000..8b8714b
--- /dev/null
+++ b/otime/yaml_io.py
@@ -0,0 +1,29 @@
+from yaml import load, dump
+try:
+    from yaml import CLoader as Loader, CDumper as Dumper
+except ImportError:
+    from yaml import Loader, Dumper
+
+from copy import deepcopy
+import otime
+
+# Disse funksjonene er for å kunne lese og skrive seperate config, mtr og databasefiler.
+def write_config(event, file_path):
+    output_event = deepcopy(event)
+    output_event.runners = []
+    output_event.card_dumps = []
+    with open(file_path, 'w') as f:
+        dump(output_event, f)
+    
+def write_card_dumps(event, file_path):
+    card_dumps = deepcopy(event.card_dumps)
+    with open(file_path, 'w') as f:
+        dump(card_dumps, f)
+
+def event_from_config_and_card_dumps(config_path, mtr_path):
+    with open(mtr_path, 'r') as f:
+        card_dumps = load(f, Loader=Loader)
+    with open(config_path, 'r') as f:
+        event = load(f, Loader=Loader)
+    event.card_dumps = card_dumps
+    return event
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