blog/content/post/2009-09-14-00001221.md

---
title: フィルターの概念を覚えた
author: kazu634
date: 2009-09-14
url: /2009/09/14/_1327/
wordtwit_post_info:
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categories:
  - Perl

---
<div class="section">
<p>
    Web::Scraperにはフィルターというものがあります。要はスクレイピングした結果を anonymous subroutine に渡して、結果を操作できてしまう…というものです。
</p>

<h4>
    なんでそんなのが必要なの？
</h4>

<p>
    Starbucksの店舗情報をスクレイピングしていて、HTMLの文字コードはShift-JISでした。そして、リンクへのURLには日本語が付加されていました。
</p>

<p>
    ここでWeb::Scraperを用いてURLを取り込むと、私の環境ではUTF-8でエンコードされたURLが取得され、そのURLでアクセスしてもリンク先へ飛ぶことが出来ませんでした。UTF-8で取り込まれてしまったエンコード済みURLをデコードし、Shift-JISに変換し、再度エンコードするという処理が必要だということがわかりました。
</p>

<h4>
    ソース
</h4>

<p>
    実際にやってみます:
</p>

<pre class="syntax-highlight">
<span class="synStatement">use strict</span>;
<span class="synStatement">use </span>Web::Scraper;
<span class="synStatement">use </span>URI;
<span class="synStatement">use </span>URI::Escape;
<span class="synStatement">use utf8</span>;
<span class="synStatement">use </span>YAML;
<span class="synStatement">use </span>Perl6::Say;
<span class="synStatement">use </span>Encode;
<span class="synComment"># =================</span>
<span class="synComment"># === Main Part ===</span>
<span class="synComment"># =================</span>
<span class="synComment"># =========================</span>
<span class="synComment"># === 各県へのURLを取得 ===</span>
<span class="synComment"># =========================</span>
<span class="synComment"># starbucksのURLを指定</span>
<span class="synStatement">my</span> <span class="synIdentifier">$uri</span> = URI-&#62;<span class="synStatement">new</span>(<span class="synConstant">&#34;http://www.starbucks.co.jp/search/index.html&#34;</span>);
<span class="synComment"># スクレイピングの設定を行う</span>
<span class="synStatement">my</span> <span class="synIdentifier">$scraper</span> = scraper {
process <span class="synConstant">'//area[@href=~/.+SearchPerfecture/]'</span>, <span class="synConstant">'prefs[]'</span> =&#62; [
<span class="synConstant">'@href'</span>,
<span class="synIdentifier">        </span><span class="synStatement">sub</span><span class="synIdentifier"> </span>{
<span class="synStatement">my</span> <span class="synIdentifier">$url</span>         = <span class="synIdentifier">$_</span>-&#62;as_string;
<span class="synStatement">my</span> <span class="synIdentifier">@url_split</span>   = <span class="synStatement">split</span>( /=/, <span class="synIdentifier">$url</span> );
<span class="synComment"># utf8なURLをデコード</span>
<span class="synStatement">my</span> <span class="synIdentifier">$utf8_encode</span> = <span class="synStatement">pop</span>(<span class="synIdentifier">@url_split</span>);
<span class="synStatement">my</span> <span class="synIdentifier">$utf8</span>        = uri_unescape(<span class="synIdentifier">$utf8_encode</span>);
<span class="synComment"># UTF-8に変換</span>
<span class="synStatement">my</span> <span class="synIdentifier">$temp</span>        = decode( <span class="synConstant">'utf8'</span>, <span class="synIdentifier">$utf8</span> );
<span class="synComment"># Shift-JISに変換</span>
<span class="synIdentifier">$temp</span> = encode( <span class="synConstant">'shiftjis'</span>, <span class="synIdentifier">$temp</span> );
<span class="synComment"># 再度エンコード</span>
<span class="synIdentifier">$temp</span> = uri_escape(<span class="synIdentifier">$temp</span>);
<span class="synStatement">push</span>( <span class="synIdentifier">@url_split</span>, <span class="synIdentifier">$temp</span> );
<span class="synStatement">return</span> {<span class="synConstant">'shiftjis'</span> =&#62; <span class="synStatement">join</span>( <span class="synConstant">'='</span>, <span class="synIdentifier">@url_split</span> ), <span class="synConstant">'utf-8'</span> =&#62; <span class="synIdentifier">$_</span>-&#62;as_string};
}
];
process <span class="synConstant">'//td[@class=&#34;SelectFromPlace&#34;]//a'</span>, <span class="synConstant">'citys[]'</span> =&#62; <span class="synConstant">'@href'</span>;
};
<span class="synComment"># スクレイピングの実行</span>
<span class="synStatement">my</span> <span class="synIdentifier">$result</span> = <span class="synIdentifier">$scraper</span>-&#62;scrape(<span class="synIdentifier">$uri</span>);
say YAML::Dump(<span class="synIdentifier">$result</span>);
</pre>

<h4>
    実行例
</h4>

<pre class="syntax-highlight">
kazu634@srv634% perl <span class="synStatement">test</span>.pl                                                                   ~/work/tmp_perl/scrap <span class="synStatement">[</span><span class="synConstant">6054</span><span class="synStatement">]</span>
---
citys:
- <span class="synStatement">!!</span>perl/scalar:URI::http http://www.starbucks.co.jp/search/tokyo.php
- <span class="synStatement">!!</span>perl/scalar:URI::http http://www.starbucks.co.jp/search/kanagawa.php
- <span class="synStatement">!!</span>perl/scalar:URI::http http://www.starbucks.co.jp/search/osaka.php
prefs:
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%96k%8AC%<span class="synConstant">93</span>%B9
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%8C%<span class="synConstant">97</span>%E6%B5%B7%E9%<span class="synConstant">81</span>%<span class="synConstant">93</span>
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">90</span>%C2%90X%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E9%9D%<span class="synConstant">92</span>%E6%A3%AE%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8A%E2%8E%E8%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%B2%A9%E6%<span class="synConstant">89</span>%8B%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8B%7B%8F%E9%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%AE%AE%E5%9F%8E%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8FH%93c%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E7%A7%8B%E7%<span class="synConstant">94</span>%B0%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8ER%8C%<span class="synConstant">60</span>%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%B1%B1%E5%BD%A2%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">95</span>%9F%<span class="synConstant">93</span>%<span class="synConstant">87</span>%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E7%A6%8F%E5%B3%B6%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">88</span>%EF%8F%E9%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E8%8C%A8%E5%9F%8E%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">93</span>%C8%<span class="synConstant">96</span>%D8%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E6%A0%<span class="synConstant">83</span>%E6%9C%A8%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8CQ%94n%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E7%BE%A4%E9%A6%AC%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8D%E9%8B%CA%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%9F%BC%E7%8E%<span class="synConstant">89</span>%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">90</span>%E7%97t%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%8D%<span class="synConstant">83</span>%E8%<span class="synConstant">91</span>%<span class="synConstant">89</span>%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8ER%<span class="synConstant">97</span>%9C%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%B1%B1%E6%A2%A8%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">92</span>%B7%<span class="synConstant">96</span>%EC%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E9%<span class="synConstant">95</span>%B7%E9%<span class="synConstant">87</span>%8E%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%90V%8A%<span class="synConstant">83</span>%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E6%<span class="synConstant">96</span>%B0%E6%BD%9F%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%95x%8ER%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%AF%8C%E5%B1%B1%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">90</span>%CE%<span class="synConstant">90</span>%EC%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E7%9F%B3%E5%B7%9D%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">95</span>%9F%<span class="synConstant">88</span>%E4%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E7%A6%8F%E4%BA%<span class="synConstant">95</span>%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8E%A0%<span class="synConstant">89</span>%EA%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E6%BB%8B%E8%B3%<span class="synConstant">80</span>%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8B%9E%93s%<span class="synConstant">95</span>%7B
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E4%BA%AC%E9%<span class="synConstant">83</span>%BD%E5%BA%9C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">95</span>%BA%8C%C9%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%<span class="synConstant">85</span>%B5%E5%BA%AB%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%98a%<span class="synConstant">89</span>%CC%8ER%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%<span class="synConstant">92</span>%8C%E6%AD%8C%E5%B1%B1%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">93</span>%DE%<span class="synConstant">97</span>%C7%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%A5%<span class="synConstant">88</span>%E8%<span class="synConstant">89</span>%AF%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">92</span>%B9%8E%E6%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E9%B3%A5%E5%8F%<span class="synConstant">96</span>%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">93</span>%<span class="synConstant">87</span>%8D%AA%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%B3%B6%E6%A0%B9%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">89</span>%AA%8ER%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%B2%A1%E5%B1%B1%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8DL%<span class="synConstant">93</span>%<span class="synConstant">87</span>%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%BA%<span class="synConstant">83</span>%E5%B3%B6%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8ER%8C%FB%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%B1%B1%E5%8F%A3%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">95</span>%9F%<span class="synConstant">89</span>%AA%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E7%A6%8F%E5%B2%A1%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8D%B2%<span class="synConstant">89</span>%EA%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E4%BD%<span class="synConstant">90</span>%E8%B3%<span class="synConstant">80</span>%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">92</span>%B7%8D%E8%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E9%<span class="synConstant">95</span>%B7%E5%B4%8E%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8CF%<span class="synConstant">96</span>%7B%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E7%<span class="synConstant">86</span>%8A%E6%9C%AC%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">91</span>%E5%<span class="synConstant">95</span>%AA%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%A4%A7%E5%<span class="synConstant">88</span>%<span class="synConstant">86</span>%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8B%7B%8D%E8%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%AE%AE%E5%B4%8E%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8E%AD%8E%<span class="synConstant">99</span>%<span class="synConstant">93</span>%<span class="synConstant">87</span>%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E9%B9%BF%E5%<span class="synConstant">85</span>%<span class="synConstant">90</span>%E5%B3%B6%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">89</span>%AB%<span class="synConstant">93</span>%EA%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E6%B2%<span class="synConstant">96</span>%E7%B8%<span class="synConstant">84</span>%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">93</span>%BF%<span class="synConstant">93</span>%<span class="synConstant">87</span>%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%BE%B3%E5%B3%B6%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8D%<span class="synConstant">81</span>%<span class="synConstant">90</span>%EC%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E9%A6%<span class="synConstant">99</span>%E5%B7%9D%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">88</span>%A4%95Q%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E6%<span class="synConstant">84</span>%9B%E5%AA%9B%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8D%<span class="synConstant">82</span>%92m%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E9%AB%<span class="synConstant">98</span>%E7%9F%A5%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">90</span>%C3%<span class="synConstant">89</span>%AA%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E9%9D%<span class="synConstant">99</span>%E5%B2%A1%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%<span class="synConstant">88</span>%A4%92m%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E6%<span class="synConstant">84</span>%9B%E7%9F%A5%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8A%F2%<span class="synConstant">95</span>%8C%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E5%B2%<span class="synConstant">90</span>%E9%<span class="synConstant">98</span>%9C%E7%9C%8C
- shiftjis: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%8EO%8Fd%8C%A7
utf<span class="synConstant">-8</span>: http://www.starbucks.co.jp/search/result_city2.php?<span class="synIdentifier">SearchPerfecture</span>=%E4%B8%<span class="synConstant">89</span>%E9%<span class="synConstant">87</span>%8D%E7%9C%8C
</pre>

<p>
    shift-jisとutf8でまったくURLが異なっていることに気づきましたか？shift-jisだと、正常なページにリンクされますが、utf8なURLだと正常ではないページに飛んでいきます。
</p>

<p>
    こんな機能があるだなんて、便利だ。
</p>
</div>