func

function getPass(checkPass)
  local pass = ""

  term.write("please enter the password: ")
  pass = read()
  if pass ~= checkPass then
    print("wrong password")
    return false
  else
    print("correct password")
    return true
  end
end

--Main program bellow!

print("starting program")
while not getPass("fredrik") do
  print("please try again")
end
print("bla")
while not getPass("f") do
  print("please try again")
end