From 320f36c264db7021a53b83e3e2477c9fecaa1c8e Mon Sep 17 00:00:00 2001
From: Fuzi Fuz <5782690+fuchs2711@users.noreply.github.com>
Date: Sat, 18 Jul 2020 15:19:41 +0200
Subject: [PATCH] Fix invalid filenames on Windows

---
 nhentai/utils.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nhentai/utils.py b/nhentai/utils.py
index caa925b..f9ae776 100644
--- a/nhentai/utils.py
+++ b/nhentai/utils.py
@@ -233,6 +233,10 @@ and append a file extension like '.txt', so I avoid the potential of using
 an invalid filename.
 
 """
+    if sys.platform.startswith('win32'):
+        invalid_chars = '\/:*?"<>|.'
+        for char in invalid_chars:
+            s = s.replace(char, '_')
     return s
 
     # maybe you can use `--format` to select a suitable filename