set aURL to current application’s |NSURL|’s alloc()’s initWithString:"http://piyocast.com/as/feed/"
set xmlString to current application’s NSString’s alloc()’s initWithContentsOfURL:aURL encoding:(current application’s NSUTF8StringEncoding) |error|:(missing value)
if xmlString = missing value then return false
set xmlDoc to (current application’s NSDictionary’s dictionaryWithXMLString:xmlString)

set blogTitle to (xmlDoc’s valueForKeyPath:"channel.title") as string
–>　　"AppleScirpt Hole"

–タイトル一覧を取得する
set titleList to (xmlDoc’s valueForKeyPath:"channel.item.title") as list
–>　　{"XmlToDictKitでBlogのRSS情報を解析", "listのrecordをplistにserializeして、plistをde-serializeする", "Listのrecordをエンコーディングしてplist文字列にする", "serializeされたlistのrecordからKeynoteで新規ドキュメントを作成してグラフを作成", "system_profilerの結果のstringのplistをdictionaryにのコピー2", "XPathQuery4ObjCのじっけん２", "recordをXMLに v2", "XmlToDictKitでXMLをDictionaryに（remote file）", "XmlToDictKitでXMLをDictionaryに（local file）", "XMLをrecordにv2"}

–URL一覧を返す
set urlList to (xmlDoc’s valueForKeyPath:"channel.item.link") as list
–>　　{"http://piyocast.com/as/archives/814", "http://piyocast.com/as/archives/812", "http://piyocast.com/as/archives/810", "http://piyocast.com/as/archives/805", "http://piyocast.com/as/archives/803", "http://piyocast.com/as/archives/799", "http://piyocast.com/as/archives/797", "http://piyocast.com/as/archives/792", "http://piyocast.com/as/archives/790", "http://piyocast.com/as/archives/788"}

–本文のプレビュー一覧
set descList to (xmlDoc’s valueForKeyPath:"channel.item.description") as list
(*
{"AppleScript名：XmlToDictKitでBlogのRSS情報を解析 &#8212; Created 2016-11-05 by Takaaki Naganoya&#8212; 2016 Piyomaru S &#8230; <a href=＼"http://piyocast.com/as/archives/814＼" class=＼"more-link＼"><span class=＼"screen-reader-text＼">＼"XmlToDictKitでBlogのRSS情報を解析＼"の</span>続きを読む</a>", ….
*)

–更新日時の一覧
set descList to (xmlDoc’s valueForKeyPath:"channel.item.pubDate") as list
–>　　{"Wed, 07 Feb 2018 08:00:53 +0000", "Wed, 07 Feb 2018 07:58:06 +0000", "Wed, 07 Feb 2018 07:55:12 +0000", "Wed, 07 Feb 2018 07:50:07 +0000", "Wed, 07 Feb 2018 07:28:10 +0000", "Wed, 07 Feb 2018 07:23:45 +0000", "Wed, 07 Feb 2018 07:23:04 +0000", "Wed, 07 Feb 2018 07:20:21 +0000", "Wed, 07 Feb 2018 07:20:13 +0000", "Wed, 07 Feb 2018 07:11:33 +0000"}