Make a volume read-only (Perl)

This code can be found in Chapter 7 of Windows XP Cookbook

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# From the book, "Windows XP Cookbook"
# ISBN: 0596007256

# ------ SCRIPT CONFIGURATION ------

use Win32::OLE;

$strDrive = '<Drive>';
# e.g. e:

# This assumes writeprot is in your PATH, if not, fully qualify
# the path to the command (e.g. c:\bin\writeprot.exe)
$strCommand = 'writeprot /vol ' . $strDrive . ' /ro';
# ------ END CONFIGURATION ---------
$objWshShell = Win32::OLE->new('WScript.Shell');
$intRC = $objWshShell->Run($strCommand, 0, 1);
if ($intRC != 0) {
    print 'Error returned from running the command: ' . $intRC, "\n";
    print "Command attempted: $strCommand\n";
}
else {
    print "Command executed successfully.\n";
}

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