DiskStartup.lua

for _, file in pairs(fs.list("")) do
    if not fs.isDir(file) then
        print("Deleting: " .. file)
        fs.delete(file)
    end
end

for _, match in pairs(fs.complete("", "disk")) do
    if not fs.isDir("disk/" .. match) and not fs.exists(match) then
        if match ~= "startup.lua" then
            print("Copying: " .. match)
            fs.copy("disk/" .. match, match)
        end
    end
end