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Generate YouTube Download commands for yt-dlp terminal

Enhance downloading capabilities on YouTube with playlist and channel support.

  1. // ==UserScript==
  2. // @name         Generate YouTube Download commands for yt-dlp terminal
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.2
  5. // @description  Enhance downloading capabilities on YouTube with playlist and channel support.
  6. // @author       ChatGPT
  7. // @match        *://*.youtube.com/*
  8. // @grant        GM_setClipboard
  9. // @grant        GM_registerMenuCommand
  10. // @license MIT 
  11. // ==/UserScript==
  12.  
  13. (function() {
  14.     'use strict';
  15.  
  16.     let folderLocation = '.'; // Default folder location, current directory. Change it if needed.
  17.     let disableViaYtDlp = false; // Set to true to remove " (via yt-dlp)" from filenames.
  18.     let setToTrueToMoveChannelNameToEnd = false; // Set to true to move channel name to the end of the filename.
  19.  
  20.     function isSingleOrPlaylistVideo() {
  21.         // Checks if the URL indicates a single video or a video within a playlist
  22.         return window.location.href.includes("/watch?v=") || window.location.href.includes("/v/");
  23.     }
  24.  
  25.     function isPlaylist() {
  26.         // Checks if the URL includes a playlist identifier
  27.         return window.location.href.includes("&list=");
  28.     }
  29.  
  30.     function isFullChannel() {
  31.         // Checks if the URL is likely pointing to a full channel
  32.         return window.location.href.includes("/channel/") || window.location.href.includes("/@");
  33.     }
  34.  
  35.     const ytDlpCommand = (mode, quality = '') => {
  36.         const url = window.location.href;
  37.         let command = "yt-dlp ";
  38.         let isSPV = isSingleOrPlaylistVideo();
  39.         let isPL = isPlaylist();
  40.         let isFullCH = isFullChannel();
  41.  
  42.         let outputFolder = folderLocation;
  43.         if (isPL) {
  44.             outputFolder += '/%(playlist)s';
  45.         } else if (isFullCH) {
  46.             outputFolder += '/%(uploader)s';
  47.         }
  48.  
  49.         // Define output template
  50.         let outputTemplate = `${outputFolder}/%(title)s (via yt-dlp).%(ext)s`;
  51.         if (!isPL && !isFullCH) {
  52.             outputTemplate = `${folderLocation}/%(uploader)s - %(title)s (via yt-dlp).%(ext)s`; // Single or non-playlist video
  53.         }
  54.  
  55.         if (isPL || isFullCH) {
  56.             command += isPL ? "--yes-playlist " : "";
  57.             command += isFullCH ? "--download-archive channel_archive.txt " : ""; // Using an archive file to avoid re-downloads
  58.         }
  59.  
  60.         switch (mode) {
  61.             case 'audio':
  62.                 command += `--extract-audio --audio-format m4a --audio-quality 0 -o "${outputTemplate}" -f "bestaudio[ext=m4a]/bestaudio/bestvideo+bestaudio" "${url}"`;
  63.                 break;
  64.             case 'video':
  65.                 let videoQuality = 'bestvideo+bestaudio';
  66.                 if (quality) {
  67.                     videoQuality = `bestvideo[height<=${quality}]+bestaudio/best`;
  68.                 }
  69.                 command += `-f "${videoQuality}" --merge-output-format mkv -o "${outputTemplate}" "${url}"`;
  70.                 break;
  71.             case 'comments':
  72.             case 'chat':
  73.                 let fileType = (mode === 'comments') ? "comments and description" : "live chat";
  74.                 command += `--write-${mode} -o "${outputTemplate}" "${url}"`;
  75.                 break;
  76.         }
  77.  
  78.         // Remove channel-specific parts if not a full channel download
  79.         if (!isFullCH) {
  80.             command = command.replace(/--download-archive channel_archive\.txt /g, "");
  81.         }
  82.  
  83.         if( disableViaYtDlp === true){
  84.         command = command.replace(" (via yt-dlp)","")
  85.         }
  86.  
  87.         if( setToTrueToMoveChannelNameToEnd === true){
  88.         command = command.replace("%(uploader)s - ","")
  89.         command = command.replace(".%(ext)s"," - %(uploader)s.%(ext)s")
  90.         }
  91.  
  92.         GM_setClipboard(command);
  93.         alert("Command copied to clipboard:\n" + command);
  94.     };
  95.  
  96.     // Registering menu commands
  97.     GM_registerMenuCommand("Download Audio (m4a)", () => ytDlpCommand('audio'), 'a');
  98.     GM_registerMenuCommand("Download Comments", () => ytDlpCommand('comments'), 'c');
  99.     GM_registerMenuCommand("Download Chat", () => ytDlpCommand('chat'), 'ch');
  100.     GM_registerMenuCommand("Download Video (Best)", () => ytDlpCommand('video'), 'v');
  101.     GM_registerMenuCommand("Download Video (4K)", () => ytDlpCommand('video', '2160'), '4');
  102.     GM_registerMenuCommand("Download Video (1080p)", () => ytDlpCommand('video', '1080'), '1');
  103.     GM_registerMenuCommand("Download Video (720p)", () => ytDlpCommand('video', '720'), '7');
  104.     GM_registerMenuCommand("Download Video (480p)", () => ytDlpCommand('video', '480'), '4');
  105. })();
  106.