You can also let Win32::TieRegistry handle REG_EXPAND_SZ for you:

    $reg_key->SetValue('FOO', '%PATH%', 'REG_EXPAND_SZ');

[download]

Useless if you want to use a .reg file, but you could give your script a -install option to set the registry values itself

In reply to Re: Create MSWindows Registry REG_EXPAND_SZ entry by Anonymous Monk
in thread Create MSWindows Registry REG_EXPAND_SZ entry by Intrepid

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