1 files changed, 14 insertions, 0 deletions
diff --git a/extra/issnl_prefix.py b/extra/issnl_prefix.py
new file mode 100644
index 0000000..4118921
--- /dev/null
+++ b/extra/issnl_prefix.py
@@ -0,0 +1,14 @@
+import sys
+import json
+
+for line in sys.stdin:
+    if not line.strip():
+        continue
+    record = json.loads(line)["@graph"]
+    issnl = None
+    for el in record:
+        if el.get("@type") == "http://id.loc.gov/ontologies/bibframe/IssnL":
+            issnl = el["value"]
+            break
+    if issnl:
+        print("\t".join((issnl, json.dumps(record, sort_keys=True))))