updated the example lua script in the readme

Author: terminaldweller

README.md

@@ -558,8 +558,7 @@ rssfeeds:
     url: "https://www.youtube.com/feeds/videos.xml?channel_id=UCS4FAVeYW_IaZqAbqhlvxlA"
 ```
 
-```lua
-local milla = require("milla")
+`local milla = require("milla")
 local yaml = require("yaml")
 local http = require("http")
 local xmlpath = require("xmlpath")
@@ -571,35 +570,64 @@ local function read_file(file)
     return content
 end
 
-local function get_rss_feed()
+local function sleep(n) os.execute("sleep " .. tonumber(n)) end
+
+local function get_config()
     local yaml_config = read_file("./plugins/rss.yaml")
     local config = yaml.parse(yaml_config)
+    return config
+end
+
+local function get_rss_feed(config)
     local titles = {}
     local author_names = {}
     local uris = {}
     local rss_feed_list = {}
 
     for _, v in pairs(config.rssfeeds) do
         local response, err = http.request("GET", v.url)
+        if err ~= nil then
+            milla.send_message(err, "")
+            goto continue
+        end
         local node, err = xmlpath.loadxml(response.body)
+        if err ~= nil then
+            milla.send_message(err, "")
+            goto continue
+        end
 
         local path, err = xmlpath.compile("//entry/title")
+        if err ~= nil then
+            milla.send_message(err, "")
+            goto continue
+        end
         local iterator = path:iter(node)
         for _, match in ipairs(iterator) do
             table.insert(titles, match:string())
         end
 
         path, err = xmlpath.compile("//entry/author/name")
+        -- local path, err = xmlpath.compile("//entry/title")
+        if err ~= nil then
+            milla.send_message(err, "")
+            goto continue
+        end
         iterator = path:iter(node)
         for _, match in ipairs(iterator) do
             table.insert(author_names, match:string())
         end
 
         path, err = xmlpath.compile("//entry/author/uri")
+        -- local path, err = xmlpath.compile("//entry/title")
+        if err ~= nil then
+            milla.send_message(err, "")
+            goto continue
+        end
         iterator = path:iter(node)
         for _, match in ipairs(iterator) do
             table.insert(uris, match:string())
         end
+        ::continue::
     end
 
     for i = 1, #titles do
@@ -611,11 +639,16 @@ local function get_rss_feed()
 end
 
 local function rss_feed()
-    local rss_feeds = get_rss_feed()
-    for _, v in pairs(rss_feeds) do milla.send_message(v, "#rssfeed") end
+    local config = get_config()
+    while true do
+        for _, v in pairs(get_rss_feed(config)) do
+            milla.send_message(v, config.channel)
+            sleep(config.period)
+        end
+    end
 end
 
-rss_feed()
+r``lua
 ```
 
 ```lua