diff --git a/cmdline.py b/cmdline.py
index 1d1de7c..1b2edb1 100755
--- a/cmdline.py
+++ b/cmdline.py
@@ -47,6 +47,7 @@ def search_count_with_link(q: str) -> int:
 
 
 def parse_contribs() -> list[tuple[str, int]]:
+    """Parse user contributions."""
     re_comment = re.compile(r"^link \[\[(.*)\]\] using")
 
     links: collections.Counter[str] = collections.Counter()
@@ -70,45 +71,48 @@ def parse_contribs() -> list[tuple[str, int]]:
     return links.most_common(200)
 
 
-with open("examples") as f:
-    seen = {json.loads(line)["title"] for line in f}
+def main() -> None:
+    with open("examples") as f:
+        seen = {json.loads(line)["title"] for line in f}
 
+    out = open("examples", "a")
+    for from_title, num in parse_contribs():
+        if from_title in seen:
+            continue
+        count = search_count(from_title)
+        count_with_link = search_count_with_link(from_title)
+        ratio = float(count_with_link) / float(count)
+
+        print(from_title, count, count_with_link, f"{ratio:.1%}")
+        print(
+            json.dumps(
+                {"title": from_title, "total": count, "with_links": count_with_link}
+            ),
+            file=out,
+        )
+        out.flush()
+        time.sleep(0.1)
+    out.close()
+
+    sys.exit(0)
 
-out = open("examples", "a")
-for from_title, num in parse_contribs():
-    if from_title in seen:
-        continue
     count = search_count(from_title)
     count_with_link = search_count_with_link(from_title)
     ratio = float(count_with_link) / float(count)
 
-    print(from_title, count, count_with_link, f"{ratio:.1%}")
-    print(
-        json.dumps(
-            {"title": from_title, "total": count, "with_links": count_with_link}
-        ),
-        file=out,
-    )
-    out.flush()
-    time.sleep(0.1)
-out.close()
+    print(count, count_with_link, f"{ratio:.1%}")
 
-sys.exit(0)
+    sys.exit(0)
+
+    totalhits, search_hits = search_no_link(from_title)
+
+    for hit in search_hits:
+        print("  ", hit)
+    print(count, count_with_link, f"{ratio:.1%}", totalhits, len(search_hits))
+
+    # ret = core.do_search(from_title)
+    # print(ret)
 
 
-count = search_count(from_title)
-count_with_link = search_count_with_link(from_title)
-ratio = float(count_with_link) / float(count)
-
-print(count, count_with_link, f"{ratio:.1%}")
-
-sys.exit(0)
-
-totalhits, search_hits = search_no_link(from_title)
-
-for hit in search_hits:
-    print("  ", hit)
-print(count, count_with_link, f"{ratio:.1%}", totalhits, len(search_hits))
-
-# ret = core.do_search(from_title)
-# print(ret)
+if __name__ == "__main__":
+    main()