In Windows, you can use GetLongPathName in Win32. 

>copy nul test.mak
        1 file(s) copied.

>perl -le"use Win32; print Win32::GetLongPathName('TeSt.Mak');"
test.mak

[download]

In reply to Re^3: Search for file ignore case by ikegami
in thread Search for file ignore case by Noame

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