format

term.setBackgroundColor(colors.black)
term.clear()
term.setCursorPos(1,1)
print("Are you sure? [Y/N] ")

local event, key = os.pullEvent("key")
if key == keys.y then
    os.unloadAPI(_G)
    for i, v in ipairs(fs.list('/')) do
        fs.delete('/'..v)
        print("/"..v.." was deleted.")
    end
    os.reboot()
elseif key == keys.n then
    print("Format cancelled.")
    return
else
    print("Invalid key")
    print("Format cancelled.")
end