test

function show()
 for slot = 1, 5 do
  if table[slot] ~= false then
    print("Objednavka je: " .. table[slot][1] .. " x " .. table[slot][2] .. " pro podnik: " .. table[slot][4])
    print("Za splneni se vyplati: " .. table[slot][3] .. " kreditu.")
    print(" ----------------------------------------")
  else print("nothing here")
  end
 end
end

f1 = false
f2 = false
m1 = false
m2 = false
m3 = false

table = {}
  table[1] = f1
  table[2] = f2
  table[3] = m1
  table[4] = m2
  table[5] = m3

-- core

show()
rednet.open("right")
while true do
  local id, msg, protocol = rednet.receive("offer")
  f1 = textutils.unserialize(msg)
  show()
end