-output = open("hp_wiki.csv", "w")
-output.write(",".join(["title", "user", "timestamp", "size", "anon", "minor", "revid"]) + "\n")
+output = open("hp_wiki.tsv", "w", encoding="utf-8")
+output.write("\t".join(["title", "user", "timestamp", "size", "anon", "minor", "revid"]) + "\n")