Computercraft: UBUNOS file: wifi

print('Do you want execute receiving message or print message ?\n{1} Execute\n{2} Print')
local choice=read()
if choice=="2" then
while true do
local id, command, pos=rednet.receive()
print('Receiving true !\nThe message is from the computer:')
print(id)
print('Optional message:')
print(pos)
print('Message: ')
print(command)
end
elseif choice=='1' then
while tonumber(label) > 0 do
local label=label-1
local id, command, pos=rednet.receive()
shell.run(command)
print('Command executed:')
print(command)
print('Optional message:')
print(pos)
print('From:')
print(id)
end
end