feat(suzuri): rss generator

2 files changed, 44 insertions, 1 deletions

diff --git a/README.md b/README.md
index b7f5b6d..adb5fab 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Obtain your sumi.news token via the `s` cookie on sumi.news.
 ### `--help`
 
 ```text
-usage: sumi token [folder]
+usage: suzuri token [folder]
 
 positional arguments:
   token           sumi.news session token
@@ -34,6 +34,7 @@ environment variables:
   SUZURI_REVERSE  reverse the output feed
   SUZURI_MINIMAL  output only linked titles
   SUZURI_RAW      output raw markdown
+  SUZURI_RSS      output raw application/rss+xml
 ```
 
 Optionally, omit the token and folder arguments and export the environment
@@ -51,6 +52,8 @@ variables `SUZURI_TOKEN` and `SUZURI_FOLDER`.
 - Pipe it into [`gum`'s](https://github.com/charmbracelet/gum) `choose` subcommand
 - Display the most recent feed item in your status-bar
 - Echo out the most recent feed item when you start your shell
+- Generate an RSS feed of your feeds to read with local tooling; e.g.,
+  [newsboat](https://newsboat.org/).
 
 ## Licence
 
diff --git a/suzuri b/suzuri
index d1c5f94..a14670b 100755
--- a/suzuri
+++ b/suzuri
@@ -18,6 +18,7 @@ environment variables:
   SUZURI_REVERSE  reverse the output feed
   SUZURI_MINIMAL  output only linked titles
   SUZURI_RAW      output raw markdown
+  SUZURI_RSS      output raw application/rss+xml
 EOF
 
 	exit
@@ -46,6 +47,45 @@ if [[ -n "${SUZURI_MINIMAL}" ]]; then
 	body="$(echo "${body}" | grep -oP '^## \K.*' | sed "s/##//" || true)"
 fi
 
+if [[ -n "${SUZURI_RSS}" ]]; then
+	IFS=$'\n' read -r -d '' -a items <<<"${body}"
+
+	cat <<EOF
+<rss version="2.0">
+  <channel>
+    <title>sumi.news</title>
+    <link>https://sumi.news</link>
+    <description>Read the entire Internet at once – all the news, RSS, and newsletters on one page.</description>
+    <generator>suzuri</generator>
+    <language>en-US</language>
+    <lastBuildDate>$(date +'%a, %d %b %Y %H:%M:%S %z')</lastBuildDate>
+    <pubDate>$(date +'%a, %d %b %Y %H:%M:%S %z')</pubDate>
+EOF
+
+	for item in "${items[@]}"; do
+		if [[ ${item} =~ ^\[(.+)\] ]]; then
+			title="${BASH_REMATCH[1]}"
+		fi
+
+		regex="\((http[^)]+)\)"
+		if [[ ${item} =~ ${regex} ]]; then
+			url="${BASH_REMATCH[1]}"
+		fi
+
+		cat <<EOF
+    <item>
+      <title>${title}</title>
+      <link>${url}</link>
+      <pubDate>$(date -d "today" '+%a, %d %b %Y 00:00:00 %z')</pubDate>
+    </item>
+EOF
+	done
+
+	echo "</channel></rss>"
+
+	exit
+fi
+
 if [[ -n "${SUZURI_RAW}" ]]; then
 	echo "${body}"
 else