Im trying to make a kinda of reminder where I'm saving stuff on a txt then trying to find that word and echo it to me, kinda a reminder script, but I came to a stop what's I missing?

Code
alias check_reminder {
  if ($1 == $null) { set %reminderdate $date }
  if ($1 != $null) { set %reminderdate $1 }
  set %remindlines $lines(reminder.txt)
  set %reminder0results 1
  echo -a Searching Reminders for: %reminderdate
  while (%remindlines > 0) {
    if ($read(reminder.txt,tws,%reminderdate) != $null) { echo -a ID: %remindlines $+ : $read(reminder.txt,tws,%reminderdate) | set %reminder0results 0 }
    dec %remindlines
  }
  if (%reminder0results == 1) { echo -a None Found }
}