Extract and list chapters from YouTube video using yt-dlp

extract.sh

#!/bin/bash

# Sourced from Unknown's answer (https://unix.stackexchange.com/a/771262)
# Note: Requires awk and gsed

# Define your YouTube URL here
videoUrl=

yt-dlp $videoUrl --dump-json |
  jq -r ".chapters[] | {start_time, title}" |
  awk -v count="2" '++count==4{$0=sprintf("  \"start\":%d:%02d:%02d",($2/60/60%24),($2/60%60),($2%60));count=0} 1' |
  awk -F '":' '{print $2}' |
  gsed -r -e '/^\s*$/d' -e 's/^ "|"$//g' |
  paste -d " "  - -