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  <author_name>toyoshi</author_name>
  <author_url>https://blog.hatena.ne.jp/toyoshi/</author_url>
  <blog_title>旧toyoshiの日記</blog_title>
  <blog_url>https://toyoshi.hatenadiary.org/</blog_url>
  <categories>
    <anon>Ruby</anon>
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  <description>アクセスできなかったら例外 require 'open-uri' loop { open('http://www.yahoo.co.jp'){|f| raise f.status.to_s unless f.status[0] == &quot;200&quot; } sleep(30) } はてなブックマーク数も気になる人用（今の僕） require 'open-uri' uri = &quot;調査したいアドレス&quot; loop { p open(uri).status p open(&quot;http://api.b.st-hatena.com/entry.count?url=#{uri}&quot;).read sleep(300) }…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2010-04-05 13:51:35</published>
  <title>超簡易HTTPポート監視</title>
  <type>rich</type>
  <url>https://toyoshi.hatenadiary.org/entry/20100405/1270443095</url>
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