download video from downloaded.txt?

download.sh

#!/bin/bash

PLAYLIST_FILE="playlists.txt"
ARCHIVE_FILE="downloaded.txt"

YTDLP_OPTS=(
  -f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best"
  --merge-output-format mp4
  --download-archive "$ARCHIVE_FILE"
)

while IFS= read -r url || [[ -n "$url" ]]; do
  [[ -z "$url" || "$url" =~ ^# ]] && continue
  echo "Downloading from: $url"
  yt-dlp "${YTDLP_OPTS[@]}" "$url"
done <"$PLAYLIST_FILE"