Script to download

linkedin_download.sh

#!/bin/bash
# For Unix OS such as: Ubuntu, Mac
## install 
# - curl -o linkedin_download.sh https://gist.githubusercontent.com/kuyseng/53e6ebbab78ce7979c579bdd70319594/raw/e6552ebddc398025c7f4f58cd5fad5c22a7a5c43/linkedin_download.sh
# - chmod +x linkedin_download.sh
# - mv linkedin_download.sh /usr/local/bin/.
# restart your terminal

## Usage: 
# linked_download.sh COOKIE_PATH [URL | LIST_PATH]

## Feature
# - download from course url or text file with a list of course urls.
# - download with saving archive. It help to prevent the same video multiple times.

COOKIE_PATH=$1
COOKIE_DIR=$(dirname "$COOKIE_PATH")
DOWNLOADED_PATH=$COOKIE_DIR/downloaded.txt

# create downloaded.txt if not exist
if [ ! -f $DOWNLOADED_PATH ]; then
  touch $DOWNLOADED_PATH
fi

function download() {
  name=$1
  url=$2
  echo "== Start download: $url ==\n"
  youtube-dl --no-overwrites --download-archive $DOWNLOADED_PATH --cookies $COOKIE_PATH --autonumber-start 1 -o "$name" "$url"
}

LIST_PATH=$2

if [ -f $LIST_PATH ]; then
  # it's a text file. then read it into array lines
  IFS=$'\n' read -d '' -r -a lines < $LIST_PATH
  for index in "${!lines[@]}"; do
    count=$((index+1))
    line=${lines[$index]}
    download "$count - %(playlist)s/%(chapter_number)s - %(chapter)s/%(playlist_index)02d - %(title)s.mp4" "$line"
  done
else
  # it's a URL
  download "%(playlist)s/%(chapter_number)s - %(chapter)s/%(playlist_index)02d - %(title)s.mp4" "$LIST_PATH"
fi

rename_course_titles.rb

#!/usr/bin/ruby

## install 
# - curl -o rename_course_titles.rb https://gist.githubusercontent.com/kuyseng/53e6ebbab78ce7979c579bdd70319594/raw/3ca8c2ec4b3d3bf35394a04b242548ae1f948a93/rename_course_titles.rb
# - chmod +x rename_course_titles.rb

## Usage: 
# ./rename_course_titles.rb DIR TITLE_FILE_PATH

current_dir = ARGV[0] || '.'
title_path = ARGV[1] || "#{current_dir}/titles.txt"

ext = '.mp4'

def key(title)
  title.scan(/[a-zA-Z]+/).map(&:downcase).join('-')
end

unless File.exists?(title_path)
  puts "No title file"
  exit 1
end

titles = {}
File.readlines(title_path).map(&:chomp).each do |title|
  titles[key(title)] = title
end

def renmae(filepath, new_filepath)
  File.rename()
end

count = 0
Dir.glob("#{current_dir}/**/*#{ext}") do |path|
  filename = File.basename(path).sub(/#{ext}$/, '')
  title = titles[key(filename)]
  dir = File.dirname(path)

  new_path = "#{dir}/#{title}#{ext}"
  puts "#{path} => #{new_path}"
  File.rename(path, new_path)
  count += 1
end

puts "Total file renamed: #{count}"

save_linkedin_course_titles.js

(function get_course(selector='.classroom-toc-item__title', filename='titles.txt') {
  const elems=$(selector)
  const arr = []
  for(let i = 0, index = 1, title, prefix; i<elems.length; i++) {
    title = elems[i].textContent.trim().split('\n')[0]

    if((/quiz/i).test(title)) continue;
    prefix = String(index++).padStart(2, '0'); // 01, 02,..,10,11,..
    title = `${prefix} - ${title}`
    console.log(title)
    arr.push(title)
  }
  const data = arr.join('\n')

  save(data, filename);
  download_excercise_file()

  function download_excercise_file() {
    const button = $('button[aria-label="Show all exercise files"]')
    if(button.length == 0) return;
    button[0].click();
    
    const elem = $('.classroom-exercise-files-modal__exercise-file-download')
    if(elem.length == 0) return;
    elem[0].click();
  }

  function save(data, filename) {
    if (!data) {
      console.error('Console.save: No data');
      return;
    }
  
    if (!filename) {
      filename = 'console.json';
    }
  
    if (typeof data === 'object') {
      data = JSON.stringify(data, undefined, 4);
    }
  
    var blob = new Blob([data], { type: 'text/json' }),
      e = document.createEvent('MouseEvents'),
      a = document.createElement('a');
  
    a.download = filename;
    a.href = window.URL.createObjectURL(blob);
    a.dataset.downloadurl = ['text/json', a.download, a.href].join(':');
    e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
    a.dispatchEvent(e);
  }
})()

save_linkedin_course_urls.js

(function get_course(selector='[data-test-entity-link-entity-type="COURSE"]', filename='list.txt') {
  const elements = $(selector)
  const arr = []
  for(let i =0; i< elements.length; i++) {
    let elem = elements[i];
    let url = "https://www.linkedin.com" + elem.getAttribute('href').split('?')[0];
    if(arr.indexOf(url) < 0) arr.push(url);    
  }
  const data = arr.join('\n')
  console.log(data)

  save(data, filename);

  function save(data, filename) {
    if (!data) {
      console.error('Console.save: No data');
      return;
    }
  
    if (!filename) {
      filename = 'console.json';
    }
  
    if (typeof data === 'object') {
      data = JSON.stringify(data, undefined, 4);
    }
  
    var blob = new Blob([data], { type: 'text/json' }),
      e = document.createEvent('MouseEvents'),
      a = document.createElement('a');
  
    a.download = filename;
    a.href = window.URL.createObjectURL(blob);
    a.dataset.downloadurl = ['text/json', a.download, a.href].join(':');
    e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
    a.dispatchEvent(e);
  }
})()