If he can create the file from the command line using shell redirection; there should be no reason that perl running at that exact same command prompt cannot also create/write to the file.

What you were doing was guessing, Process Monitor on the other hand would have told exactly what is happening by the interesting process where, with which args and results. In cases like those guessing is a waste of time if proper tools to tell one are already available.

In reply to Re^3: Permission denied writing to Windows 10 by Pickwick
in thread Permission denied writing to Windows 10 by Anonymous Monk

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