From 5c42677eac754872bd9e9d5791e2f82d89963400 Mon Sep 17 00:00:00 2001
From: Wesley Moore <wes@wezm.net>
Date: Mon, 6 May 2024 20:31:03 +1000
Subject: [PATCH] Add note about <link rel="alternate">

---
 v2/README.md                                        |  3 ++-
 .../posts/2024/youtube-subscriptions-opml/index.md  | 13 ++++++++++---
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/v2/README.md b/v2/README.md
index 5c2e10a..277cbc0 100644
--- a/v2/README.md
+++ b/v2/README.md
@@ -8,7 +8,8 @@ Build with the [Zola] static site compiler:
 
 Generate dates in front-matter from vim:
 
-    :r!  date +\%Y-\%m-\%dT\%H:\%M:\%S\%:z
+    :r! date +\%Y-\%m-\%dT\%H:\%M:\%S\%:z
+    :r! date -Iseconds
 
 ## Terminal screenshots
 
diff --git a/v2/content/posts/2024/youtube-subscriptions-opml/index.md b/v2/content/posts/2024/youtube-subscriptions-opml/index.md
index e70fef8..53c332d 100644
--- a/v2/content/posts/2024/youtube-subscriptions-opml/index.md
+++ b/v2/content/posts/2024/youtube-subscriptions-opml/index.md
@@ -2,8 +2,8 @@
 title = "Exporting YouTube Subscriptions to OPML and Watching via RSS"
 date = 2024-05-06T10:38:22+10:00
 
-#[extra]
-#updated = 2024-02-21T10:05:19+10:00
+[extra]
+updated = 2024-05-06T20:24:23+10:00
 +++
 
 This post describes how I exported my 500+ YouTube subscriptions to an OPML
@@ -77,7 +77,7 @@ which means I needed to determine the channel id for each page. To do that
 without futzing around with Google API keys and APIs I needed to download the
 HTML of each channel page.
 
-To do that I generated a config file for `curl` from the JSON file:
+First I generated a config file for `curl` from the JSON file:
 
     jaq --raw-output '.[] | (split("/") | last) as $name | "url \(.)\noutput \($name).html"' subscriptions.json > subscriptions.curl
 
@@ -145,6 +145,12 @@ Let's break that down:
 - `TITLE`, `XML_URL`, and `URL` are escaped.
 - Finally we generate a JSON object with the title, URL, and RSS URL and write it into a `json` directory under the name of the channel.
 
+**Update:** [Stephen pointed out on Mastodon][sedmonds] that the HTML contains the usual
+`<link rel="alternate"` tag for RSS auto-discovery. I did check for that initially but
+I think the Firefox dev tools where having a bad time with the large size of the YouTube
+pages and didn't show me any matches at the time. Anyway, that could have been used to
+find the feed URL directly instead of building it from the `og:url`.
+
 Ok, almost there. That script had to be run for each of the channel URLs.
 First I generated a file with just a plain text list of the channel URLs:
 
@@ -293,3 +299,4 @@ option.
 [feedbin-sharing]: https://feedbin.com/help/sharing-read-it-later-services/
 [OpenGraph]: https://ogp.me/
 [feedbin-search]: https://feedbin.com/help/search-syntax/
+[sedmonds]: https://aus.social/@popcorncx/112392881683597817