#!perl

use warnings;
use strict;
use Win32::OLE;

my $fs = Win32::OLE->CreateObject('Scripting.FileSystemObject');
my $d = $fs->GetDrive('Y:');
my $TotalSize = $d->{TotalSize};
my $FreeSpace = $d->{FreeSpace};
my $usedSpace = $d->{TotalSize} -= $d->{FreeSpace};
my $AvailableSpace = $d->{AvailableSpace} *=100;
my $AvailUsed = $AvailableSpace  /= $d->{TotalSize}; 
#my $SpaceLeft = $d->{AvailableSpace} /= $AvailUsed; 
my $MappedDriveSpaceAvailable =  $AvailUsed *= 100;
print $MappedDriveSpaceAvailable;