fdf

cmdnat/out_table.py

@@ -39,6 +39,7 @@ _WINDOWS_RESERVED_NAMES = {
     *(f"com{i}" for i in range(1, 10)),
     *(f"lpt{i}" for i in range(1, 10)),
 }
+_ILLEGAL_FILENAME_CHARS_RE = re.compile(r'[<>:"/\\|?*]')
 
 
 def _sanitize_filename_base(text: str) -> str:
@@ -48,7 +49,7 @@ def _sanitize_filename_base(text: str) -> str:
         return "table"
 
     # Replace characters illegal on Windows (and generally unsafe cross-platform).
-    s = re.sub(r'[<>:"/\\|?*]', " ", s)
+    s = _ILLEGAL_FILENAME_CHARS_RE.sub(" ", s)
 
     # Drop control characters.
     s = "".join(ch for ch in s if ch.isprintable())