side = "bottom"

argv = { ... }

if #argv ~= 1 then
  print("Usage: scan <radius>")
  return
end

radius = tonumber(argv[1])

if radius < 1 or radius > 9999 then
  print("Radius must be between 1 and 9999")
  return
end

radar = peripheral.wrap(side)

if radar.getEnergyLevel() < radius * radius then
  print("Low energy level. Sasaj")
  return
end
radar.scanRadius(radius)
sleep(2)

print("Scanning...")

seconds = 2
repeat
 count = radar.getResultsCount()
 sleep(1)
 seconds = seconds + 1
until count ~= 0 or seconds > 31
print("took "..seconds.." seconds")

if count > 0 then
  for i=0, count-1 do
    freq, x, y, z = radar.getResult(i)
    print("Shit: "..freq.." ("..x.. " " .. y .. " " .. z .. ")")
  end
else
  print("Nothing is found =(")
end