Forums Scripts & Popups While loop / remove line

alias RemoveM3u { 
  var %m3u = $line(@filelist,N)
  while (%m3u != 0) {
    if (.mp3 !isin $line(@filelist,%m3u)) || (.ogg !isin $line(@filelist,%m3u)) { dline @filelist %m3u | did -d player 8 %m3u }
    dec %m3u
  }
}