From 7a6ca6eb2b109f81f0d18ba4b7526d71e80467c9 Mon Sep 17 00:00:00 2001
From: Shaheed Haque <shaheedhaque@gmail.com>
Date: Thu, 7 Mar 2024 18:04:01 +0000
Subject: [PATCH] Correctly handle filenames that contain "." prior to the
 extension. Resolves #115.

---
 pyexcel_io/writers/csv_sheet.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyexcel_io/writers/csv_sheet.py b/pyexcel_io/writers/csv_sheet.py
index 422dbed..d2a2db0 100644
--- a/pyexcel_io/writers/csv_sheet.py
+++ b/pyexcel_io/writers/csv_sheet.py
@@ -47,7 +47,7 @@ def __init__(
 
     def get_writer(self):
         if self._sheet_name != constants.DEFAULT_SHEET_NAME:
-            names = self._native_book.split(".")
+            names = self._native_book.rsplit(".", 1)
             file_name = "%s%s%s%s%s.%s" % (
                 names[0],
                 constants.DEFAULT_MULTI_CSV_SEPARATOR,