C:\Tmp> perl -MDP -MSpreadsheet::Read -we"DDumper ReadData ('x-0.9888.xlsx')"
[
    {   error            => undef,
        parser           => 'Spreadsheet::ParseXLSX',
        sheet            => {
            Blad1            => 1
            },
        sheets           => 3,
        type             => 'xlsx',
        version          => '0.17'
        },
    {   A1               => '0.9888',
        attr             => [],
        cell             => [
            [],
            [   undef,
                '0.9888'
                ]
            ],
        label            => 'Blad1',
        maxcol           => 1,
        maxrow           => 1,
        merged           => []
        }
    ]