cross-posted from: https://lemm.ee/post/23155648 > Here is the script. > ``` > > #!/usr/bin/env bash > # Download and search youtube subs > # deps yt-dlp ,awk, perl, any one or more of either ugrep, ripgrep, grep > # usage "script youtube_url" > > > main() { > url="$@" > check_if_url > get_video_id > search_for_downloaded_matching_files > set_download_boolean_flag > download_subs > read_and_format_transcript_file > echo_description_file > user_search > } > > > # Iterate over the array and add items to the new array if they match the regex > check_if_url() { > local regex='^https://[^[:space:]]+$' > if ! [[ $url =~ $regex ]]; then > echo "Invalid input. Valid input is a url matching regex ${regex}" > exit 1 > fi > } > > > get_video_id() { > video_id=$(echo "$url" | sed -n 's/.*v=$[^&]*$.*/\1/p') > } > > > search_for_downloaded_matching_files() { > # Find newest created files matching the video_id > transcript_file="$( /usr/bin/ls -t --time=creation "$PWD"/*${video_id}*\.vtt 2>/dev/null | head -n 1 )" > description_file="$( /usr/bin/ls -t --time=creation "$PWD"/*${video_id}*\.description 2>/dev/null | head -n 1 )" > } > > > set_download_boolean_flag() { > if [ -n "$transcript_file" ] && [ -n "$description_file" ]; then > download=0 # FALSE > else > download=1 # TRUE > fi > } > > > download_subs() { > if [ "$download" -eq 1 ]; then > yt-dlp --restrict-filenames --write-auto-sub --skip-download "${url}" > yt-dlp --restrict-filenames --sub-langs=eng --write-subs --skip-download "${url}" > yt-dlp --restrict-filenames --write-description --skip-download "${url}" > # Search files again since they were just downloaded > search_for_downloaded_matching_files > fi > } > > > read_and_format_transcript_file() { > perl_removed_dupes="$(perl -0777 -pe 's/^\d\d.*\n.*\n.*<\/c>//gm' <"${transcript_file}")" > local prefix="https://www.youtube.com/watch?v=${video_id}&t=" > local suffix="s" > formated_transcript_file="$(awk -v pre="$prefix" -v suf="$suffix" ' > /^([0-9]{2}:){2}[0-9]{2}\.[0-9]{3}/ { > split($1, a, /[:.]/); > $1 = pre (int(a[1]*3600 + a[2]*60 + a[3]) - 3) suf; > sub(/ --> [0-9]{2}:[0-9]{2}:[0-9]{2}\.[0-9]{3}/, ""); > sub(/ align:start position:0%$/, ""); > print; > next; > } > { > sub(/ align:start position:0%$/, ""); > print; > } > ' <<<"${perl_removed_dupes}")" > #CRLF for ugrep to avoid ?bug? where before lines are not all outputted > formated_transcript_file_CRLF=$(printf '%b' "$formated_transcript_file" | sed 's/$/\r/') > } > > > echo_description_file() { > cat "${description_file}" > } > > > user_search() { > echo -e "\n\n" > read -rp "Enter regex (read as raw input): " search_term > > : ${app_count:=0} > > if command -v ug >/dev/null 2>&1; then > echo -e "\n\n\n\n" > echo "Ugrep output" > ug --pretty=never -B2 -A1 -i -Z+-~1 -e "${search_term}" --andnot "^https?:\/\/" <<<"$formated_transcript_file_CRLF" > ((app_count++)) > fi > > if command -v rg >/dev/null 2>&1; then > echo -e "\n\n\n\n" > echo "Ripgrep output" > rg -iP -B2 -A7 "^(?!https?:\/\/).*\K${search_term}" <<<"$formated_transcript_file" > ((app_count++)) > fi > > if [ "$app_count" -eq 0 ]; then > echo -e "\n\n\n\n" > echo "Grep output" > grep -iP -B2 -A1 "${search_term}" <<<"$formated_transcript_file" > echo -e "\n\n" > echo "Consider installing ripgrep and ugrep for better search" > ((app_count++)) > fi > } > > > main "$@" > > > > ```

Bash script to download and search youtube subtitles and output clickable timestamped urls

Bash script to download and search youtube subtitles and output clickable timestamped urls

Fast youtube download bash script using custom build of aria2

Fast youtube download bash script using custom build of aria2