WIP

stevehjohn · Apr 8, 2024 · cea5d6c · cea5d6c
1 parent 3f95293
commit cea5d6c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Sudoku.Console/ConsoleApplication.cs b/src/Sudoku.Console/ConsoleApplication.cs
@@ -498,7 +498,7 @@ private static (int[] Puzzle, int Clues)[] LoadPuzzles(string filename)
 
     private static (int[] Puzzle, int Clues)[] LoadPuzzlesInternal(string filename)
     {
-        if (Path.GetExtension(filename).ToLower() == ".txt")
+        if (Path.GetExtension(filename).Equals(".txt", StringComparison.InvariantCultureIgnoreCase))
         {
             var data = File.ReadAllLines(filename);