Delphi combine absolute and relative pathname

Question

(Using Delphi 2010)

Is there a simple but stable way to combine absolute and relative filenames, so that the resulting filename is a well-formed filename?

dir1\dir2\dir3\ + ..\filename => dir1\dir2\filename
dir1\dir2\dir3\ + ..\..\filename => dir1\filename
dir1\dir2\dir3\ + .\filename => dir1\dir2\dir3\filename

Path.Combine comes to mind, but it resolves to something like

dir1\dir2\dir3\ + .\filename => dir1\dir2\dir3\.\filename

which does not seem to be a well-formed filename

Thanks a lot! Willem

After you called combine - try to amend the result with either `SysUtils.ExpandFileName` or with `Windows.GetFullPathName` — Arioch 'The, Apr 20 '16 at 15:08
PS. it is well-formed, it is not canonical, but it is well-formed nonetheless — Arioch 'The, Apr 20 '16 at 15:09

score 0 · Answer 1 · edited May 23 '17 at 12:16

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I post this as an answer because I can't flag it as duplicate for some reason.

Check the RelToAbs function here

edited May 23 '17 at 12:16

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answered Apr 20 '16 at 14:31

Etsitpab Nioliv

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Delphi combine absolute and relative pathname

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