100 lines
3.0 KiB
Bash
Executable File
100 lines
3.0 KiB
Bash
Executable File
#!/bin/zsh
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# Download YouTube-feeds as if they are podcasts.
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# Error codes:
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# 1 = Could not read file or directory.
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# 2 = Configuration option not set.
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# 3 = youtube-dl error.
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# License: AGPL-3.0-only, see LICENSE.
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function die()
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{
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[[ -n "${2}" ]] && echo "Error: ${2}" >&2
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exit ${1}
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}
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# Return path of configuration directory.
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function get_config_path()
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{
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local path
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if [[ -n "${XDG_CONFIG_HOME}" ]]; then
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path="${XDG_CONFIG_HOME}/download-yt-feeds"
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else
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path="${HOME}/.config/download-yt-feeds"
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fi
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[[ -d "${path}" ]] || mkdir -p "${path}"
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[[ -r "${path}" ]] || die 1 "${path} is not readable."
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echo "${path}"
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}
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# Return URLs of YouTube-feeds in feedlist.
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# All lines that don't start with "http" are ignored.
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function read_feedlist()
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{
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local feed_path="$(get_config_path)/feedlist"
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[[ -r "${feed_path}" ]] || die 1 "${feed_path} is not readable."
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local -a entries
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while read line; do
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if [[ "${line}" =~ "^http" ]]; then
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local -a entry=("${(@s/ /)line}")
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entries+=(${entry[1]})
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fi
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done <"${feed_path}"
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print -r -- ${(qq)entries}
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}
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function main()
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{
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local config_path="$(get_config_path)/config"
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[[ -r "${config_path}" ]] || die 1 "${config_path} is not readable."
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source "${config_path}"
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[[ -z "${download_dir}" ]] && die 2 "download_dir not specified."
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[[ -z "${keep_for_days}" ]] && die 2 "keep_for_days not specified."
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[[ -z "${ytdl_format}" ]] && local ytdl_format="best"
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if [[ -z "${ytdl_binary}" ]]; then
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if command -v yt-dlp > /dev/null; then
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local ytdl_binary="yt-dlp"
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else
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local ytdl_binary="youtube-dl"
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fi
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fi
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find "${download_dir}" -type f -mtime +"${keep_for_days}" -delete
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find "${download_dir}" -maxdepth 1 -type d -exec \
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rmdir --ignore-fail-on-non-empty {} \;
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mkdir -p "${download_dir}"
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local files_before="$(find "${download_dir}" -type f)"
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local -a feedlist=("${(@Q)${(z)$(read_feedlist)}}")
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for feed in ${feedlist}; do
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${ytdl_binary} \
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--download-archive "$(get_config_path)/downloaded" \
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--dateafter "now-${keep_for_days}days" \
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--output "${download_dir}/%(uploader)s/%(title)s.%(ext)s" \
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--format "${ytdl_format}" \
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${=ytdl_extra_args} \
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"${feed}"
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# [[ ${?} -eq 0 ]] || die 3 "${ytdl_binary} returned an error."
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done
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local files_after="$(find "${download_dir}" -type f)"
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local time="$(date +'%F_%R')"
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while read file; do
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[[ "${file}" =~ "\.vtt$" ]] && continue # Skip subtitle files.
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# https://stackoverflow.com/a/8811800/5965450
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if [[ "${files_before#*${file}}" == "${files_before}" ]]; then
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if [[ "${file}" =~ "#" ]]; then
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local file_new="${file:gs/#/_}"
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mv "${file}" "${file_new}"
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file="${file_new}"
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fi
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echo "${file/${download_dir}\//}" \
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>> "${download_dir}/New_${time}.m3u"
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fi
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done <<<"${files_after}"
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}
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main
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