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Editorial Team
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Asked: 2026-06-09T07:12:30+00:00

Is there a way in C# (4.0) to check if two file names reference

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Is there a way in C# (4.0) to check if two file names reference to the same file, preferably without opening them?

I.e. d:\x.txt should be equal to x.txt or ../x.txt if the the relative path points to d.

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1 Answer

  1. Editorial Team

    If you use Path.GetFullPath on both names they should resolve to the same string:

    string fullPath1 = Path.GetFullPath(absolutePath);
string fullPath2 = Path.GetFullPath(relativePath);

    Then fullPath1 should equal fullPath2 if they reference the same file. Make sure that you do a case insensitive comparison as Windows filenames are case insensitive.

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