PofMagicfingers

# inspired by https://gist.github.com/joeyAghion/6511184

function getReadableFileSizeString(fileSizeInBytes) {

    var i = -1;
    var byteUnits = [' kB', ' MB', ' GB', ' TB', 'PB', 'EB', 'ZB', 'YB'];
    do {
        fileSizeInBytes = fileSizeInBytes / 1024;
        i++;
    } while (fileSizeInBytes > 1024);