To opendir on your current working directory, you either have to opendir(DIR, '.') or provide the full path.
Quoting the OP: 
opendir DIR, '.' or die $!

[download]
which he does right after a successful chdir. Which point are you trying to make here?

In reply to Re^2: win32/winxp, -r and chdir succeed but opendir fails, permission denied by JavaFan
in thread win32/winxp, -r and chdir succeed but opendir fails, permission denied by Anonymous Monk

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