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April 9, 2023 11:40
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Make m3u playlist of a Youtube Playlist (youtube-dl & jq must be installed)
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| #!/usr/bin/env bash | |
| # $ ./make_m3u_youtube_playlist.sh [-d OUTPUT-DIR] URL [URL ...] | |
| if ! which jq &>/dev/null || ! which youtube-dl &>/dev/null; then | |
| echo "'youtube-dl' and 'jq' must be installed in \$PATH, exiting." 1>&2 | |
| exit 1 | |
| fi | |
| declare log_file="$HOME/.make_m3u_youtube_playlist.log" | |
| declare prefix_id='https://www.youtube.com/watch?v=' | |
| declare prefix_pls='https://www.youtube.com/playlist?list=' | |
| declare pls_url | |
| declare pls_re='^https?://www\.youtube\.com/(watch|playlist)\?.*?list=([^&]+)' | |
| declare pls_n | |
| declare pls_json | |
| declare pls_u | |
| declare pls_ids | |
| declare pls_titles | |
| declare -i replace_tmp=0 | |
| declare -a pls_i_arr=() | |
| declare -a pls_t_arr=() | |
| declare top_str='#EXTM3U'$'\n' | |
| declare str | |
| declare file_name | |
| declare desired_filename | |
| declare -i pls_len=0 | |
| declare output_dir="$PWD" # where to write the m3u file | |
| declare json_re='\{.+\}' | |
| declare -a args=() | |
| function log_echo () | |
| { | |
| echo "${*}" 1>&2 | |
| echo "${*}" >> "$log_file" | |
| return $? | |
| } | |
| while getopts ":d:" options ; do | |
| case "$options" in | |
| d) output_dir="$(sed -r 's#/+$##' <<< "$OPTARG")";; # override directory | |
| *) log_echo "Not a valid option, exiting:" "${*}" | |
| exit 1;; | |
| esac | |
| done | |
| args+=("${@:OPTIND}") | |
| # enable support for multiple playlists at once | |
| for i in "${!args[@]}" ; do | |
| [[ ${args[i]} = '' ]] && continue | |
| pls_url="${args[i]}" | |
| # reset loop variables | |
| replace_tmp=0 | |
| pls_len=0 | |
| file_name='' | |
| str="$top_str" | |
| pls_i_arr=() | |
| pls_t_arr=() | |
| if [[ ! $pls_url =~ $pls_re ]] ; then | |
| log_echo "No valid playlist url given, exiting:" "$pls_url" | |
| exit 1 | |
| fi | |
| pls_url="${BASH_REMATCH[2]}" | |
| pls_u="$( | |
| # Get the playlist's owner / username - lazy way | |
| curl -s -L -A "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:51.0) Gecko/20100101 Firefox/51.0" "${prefix_pls}${pls_url}" \ | |
| | grep -oP 'channel-title.+?<a [^>]+>[^<]+</a>' \ | |
| | sed -r 's#.+>([^<]+)</a>#\1#' | |
| )" | |
| if [[ $pls_u = '' ]]; then | |
| log_echo "No user found, exiting:" "$pls_u" | |
| exit 1 | |
| fi | |
| pls_json="$(youtube-dl --ignore-config --flat-playlist --dump-single-json "${prefix_pls}${pls_url}")" | |
| if [[ $? -ne 0 || ! "$pls_json" =~ $json_re ]] ; then | |
| log_echo "Not a playlist or youtube-dl returned an error, exiting:" "$pls_json" | |
| exit 1 | |
| fi | |
| # verify it's valid json first | |
| if ! jq . <<< "$pls_json" &>/dev/null; then | |
| log_echo "jq could not parse string, exiting:" "$pls_json" | |
| exit 1 | |
| fi | |
| pls_ids="$(jq -rM '.entries[].id' <<< "$pls_json")" || exit 3 | |
| pls_titles="$(jq -rM '.entries[].title' <<< "$pls_json")" || exit 4 | |
| pls_n="$(jq -rM '.title' <<< "$pls_json")" || exit 5 | |
| if [[ $pls_n = '' ]] ; then | |
| # Allow empty name | |
| pls_n="Untitled" | |
| fi | |
| pls_len=$(wc -l <<< "$pls_ids") | |
| if [[ $pls_len -eq 0 ]] ; then | |
| # Don't write empty playlists | |
| log_echo "No videos in playlist, exiting:" "$pls_len" | |
| exit 1 | |
| fi | |
| # Turn lines into arrays | |
| while read -r LINE; do | |
| [[ $LINE = '' ]] && continue | |
| # Full url | |
| pls_i_arr+=("${prefix_id}${LINE}") | |
| done <<< "$pls_ids" | |
| while read -r LINE; do | |
| [[ $LINE = '' ]] && continue | |
| pls_t_arr+=("$LINE") | |
| done <<< "$pls_titles" | |
| # Build m3u string | |
| # https://en.wikipedia.org/wiki/M3U | |
| # Playlist will be missing the length property but it should work (does in mpv) | |
| for x in "${!pls_i_arr[@]}" ; do | |
| [[ ${pls_i_arr[x]} = '' ]] && continue | |
| # #EXTM3U | |
| # #EXTINF:,User - Title - YT-PL-ID i/size | |
| # https://www.youtube.com/watch?v=AAAAAAAAAAA | |
| # | |
| str="${str}#EXTINF:,$pls_u - $pls_n - ${pls_t_arr[x]} - $pls_url $((x+1))/$pls_len"$'\n'"${pls_i_arr[x]}"$'\n'$'\n' | |
| done | |
| desired_filename="$output_dir/$pls_u - $pls_n ($pls_len).m3u" | |
| file_name="$desired_filename" | |
| if [[ -e $file_name ]] ; then | |
| log_echo "creating tmp file and backing up existing file:" "$file_name" | |
| file_name="$(mktemp -p "$output_dir")" | |
| replace_tmp=1 | |
| fi | |
| echo -n "$str" > "$file_name" | |
| if [[ $replace_tmp -eq 1 ]] ; then | |
| # depend on mv's backup functionallity to create a bak file | |
| mv -v --backup=t "$file_name" "$desired_filename" | tee -a "$log_file" 1>&2 | |
| file_name="$desired_filename" | |
| fi | |
| if [[ $? -ne 0 || ! -f "$file_name" ]] ; then | |
| log_echo "$file_name" | |
| notify-send -i 'error' "M3U playlist" "Failed to create playlist" | |
| else | |
| echo "$file_name" | |
| notify-send -i 'gtk-ok' "M3U playlist created" "$(basename "$file_name" .m3u)" | |
| fi | |
| done | |
| exit $? |
I get
./make_m3u_youtube_playlist.sh: line 66: unexpected EOF while looking for matching )' ./make_m3u_youtube_playlist.sh: line 143: syntax error: unexpected end of file`
This worked for me - https://superuser.com/a/1359132
youtube-dl -j --flat-playlist <PLAYLIST_LINK> | jq -r '.id' | sed 's_^_https://youtu.be/_' > playlist.m3u
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why does it ask for the user?!...