function File.SplitBinary(filePath, folderPath, size, CallbackFunction)
        local fileSize = File.GetSize(filePath);
        local fileName = String.SplitPath(filePath).Filename..String.SplitPath(filePath).Extension..".";
        local realpart = io.open(filePath, "rb");
        local size = size*(2^20);
        if fileSize < size then
                return -1, "Split size can't be greater than filesize";
        end
        local r = fileSize%size;
        local n = (r==0) and math.floor((fileSize/size)) or math.floor((fileSize/size))+1;
        for x=1, n do
            if CallbackFunction ~= nil then
                 CallbackFunction(x, n, math.floor((x/n)*100, 0));
            end
            local cfileName = string.format("%0"..#tostring(n).."d",  x);
            local curFile = io.open(folderPath.."\\"..fileName..cfileName, "wb");
            local bytes = (x<n) and size or (x==n) and (r~=0) and r or size;
            local curPart = realpart:read(bytes);
            curFile:write(curPart);
            curFile:close();
        end
        realpart:close();
        return 0, "Success: File splitted in "..n.." parts";
end