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---
title: hatena-modeの投稿ログをあさってはてなのリストを作るスクリプト
author: kazu634
date: 2008-07-12
url: /2008/07/12/_1039/
wordtwit_post_info:
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categories:
- Perl
- Programming
---
<div class="section">
<blockquote>
<ul>
<li>
「perl」に関連する最近のエントリ <ul>
<li>
<a href="http://d.hatena.ne.jp/sirocco634/20080702" onclick="__gaTracker('send', 'event', 'outbound-article', 'http://d.hatena.ne.jp/sirocco634/20080702', '2008-07-02 &#8211; 武蔵の日記');" target="_blank">2008-07-02 &#8211; 武蔵の日記</a>
</li>
<li>
<a href="http://d.hatena.ne.jp/sirocco634/20080529" onclick="__gaTracker('send', 'event', 'outbound-article', 'http://d.hatena.ne.jp/sirocco634/20080529', '2008-05-29 &#8211; 武蔵の日記');" target="_blank">2008-05-29 &#8211; 武蔵の日記</a>
</li>
<li>
<a href="http://d.hatena.ne.jp/sirocco634/20080522" onclick="__gaTracker('send', 'event', 'outbound-article', 'http://d.hatena.ne.jp/sirocco634/20080522', '2008-05-22 &#8211; 武蔵の日記');" target="_blank">2008-05-22 &#8211; 武蔵の日記</a>
</li>
</ul>
</li>
</ul>
</blockquote>
<p>
こんなのをつくってみたくて、Perlでつくりました。
</p>
<pre class="syntax-highlight">
<span class="synPreProc">#!/usr/bin/perl</span>
<span class="synComment"># === use ===</span>
<span class="synStatement">use strict</span>;
<span class="synStatement">use warnings</span>;
<span class="synComment"># 引数が指定されていなければ終了</span>
<span class="synStatement">exit</span> <span class="synStatement">if</span> (<span class="synIdentifier">$#ARGV</span> == <span class="synConstant">-1</span>);
<span class="synComment"># 検索するディレクトリの指定（絶対パス）</span>
<span class="synStatement">my</span> <span class="synIdentifier">$init_dir</span> = <span class="synConstant">&#34;/Users/simoom634/Documents/hatena/&#34;</span>;
<span class="synComment"># 表示させる個数</span>
<span class="synStatement">my</span> <span class="synIdentifier">$num</span> = <span class="synConstant">3</span>;
<span class="synComment"># ファイル名を格納する配列</span>
<span class="synStatement">my</span> <span class="synIdentifier">@filenames</span>;
<span class="synComment"># 出力用文字列を格納する配列</span>
<span class="synStatement">my</span> <span class="synIdentifier">@outputs</span>;
<span class="synComment"># 検索する文字列格納用変数（正規表現可能）</span>
<span class="synStatement">my</span> <span class="synIdentifier">$expr</span> = <span class="synStatement">shift</span>();
<span class="synComment"># サブルーチンの呼び出し</span>
<span class="synComment"># --&#62;ファイル名の列挙</span>
<span class="synIdentifier">&#38;list</span>(<span class="synIdentifier">$init_dir</span>);
<span class="synComment"># サブルーチンの呼び出し</span>
<span class="synComment"># --&#62;整形して、@outputsに格納</span>
<span class="synIdentifier">&#38;prnt_titles</span>(<span class="synIdentifier">@filenames</span>);
<span class="synStatement">if</span> ((<span class="synIdentifier">$num</span> + <span class="synConstant">1</span>) &#60; <span class="synIdentifier">@outputs</span>) {
<span class="synStatement">print</span> (<span class="synIdentifier">$outputs</span>[<span class="synConstant"></span>]);
<span class="synStatement">for</span> (<span class="synStatement">my</span> <span class="synIdentifier">$i</span> = <span class="synConstant"></span>; <span class="synIdentifier">$i</span> &#60; <span class="synIdentifier">$num</span>; <span class="synIdentifier">$i</span>++) {
<span class="synStatement">print</span>(<span class="synStatement">pop</span>(<span class="synIdentifier">@outputs</span>));
}
} <span class="synStatement">else</span> {
<span class="synStatement">print</span> <span class="synIdentifier">@outputs</span>;
}
<span class="synComment"># 終了</span>
<span class="synStatement">exit</span>;
<span class="synComment"># ====================</span>
<span class="synComment"># === サブルーチン ===</span>
<span class="synComment"># ====================</span>
<span class="synComment"># ---&#62;ファイル名列挙</span>
<span class="synComment"># 　　引数として与えられたディレクトリの中から</span>
<span class="synComment"># 　　「\d+」に該当するものだけを列挙して</span>
<span class="synComment"># 　　@filenameに格納する</span>
<span class="synStatement">sub</span><span class="synIdentifier"> list </span>{
<span class="synComment"># 引数を$dirnameに代入</span>
<span class="synStatement">my</span> <span class="synIdentifier">$dirname</span> = <span class="synStatement">shift</span>;
<span class="synComment"># ディレクトリを開いて、一つ一つ処理</span>
<span class="synStatement">opendir</span>(<span class="synIdentifier">DIR</span>, <span class="synIdentifier">$dirname</span>) <span class="synStatement">or</span> <span class="synStatement">die</span> <span class="synConstant">&#34;</span><span class="synIdentifier">$dirname</span><span class="synConstant">: </span><span class="synIdentifier">$!</span><span class="synConstant">&#34;</span>;
<span class="synStatement">foreach</span> <span class="synStatement">my</span> <span class="synIdentifier">$entry</span> (<span class="synStatement">readdir</span>(<span class="synIdentifier">DIR</span>)) {
<span class="synComment"># 隠しファイル・ディレクトリだったらパス</span>
<span class="synStatement">next</span> <span class="synStatement">if</span> (<span class="synIdentifier">$entry</span> =~<span class="synStatement"> /</span><span class="synConstant">[</span><span class="synSpecial">\.</span><span class="synConstant">]</span><span class="synSpecial">+</span><span class="synStatement">/</span>);
<span class="synComment"># バックアップや設定用ファイルならパス</span>
<span class="synStatement">next</span> <span class="synStatement">if</span> (<span class="synIdentifier">$entry</span> =~<span class="synStatement"> /</span><span class="synSpecial">[0-9]+\~</span><span class="synStatement">/</span>);
<span class="synStatement">next</span> <span class="synStatement">if</span> (<span class="synIdentifier">$entry</span> =~<span class="synStatement"> /</span><span class="synSpecial">.*\@</span><span class="synConstant">hatena</span><span class="synStatement">/</span>);
<span class="synStatement">push</span> <span class="synIdentifier">@filenames</span>, <span class="synIdentifier">$entry</span>;
}
<span class="synStatement">closedir</span>(<span class="synIdentifier">DIR</span>);
}
<span class="synComment"># ---&#62;整形して表示</span>
<span class="synComment"># 　　はてなのリスト形式で検索結果を表示する。</span>
<span class="synComment"># 　　引数にはファイル名を格納した配列を指定する。</span>
<span class="synStatement">sub</span><span class="synIdentifier"> prnt_titles </span>{
<span class="synStatement">push</span> <span class="synIdentifier">@outputs</span>, <span class="synConstant">&#34;- 「</span><span class="synIdentifier">$expr」に関連する最近のエントリ</span><span class="synSpecial">\n</span><span class="synConstant">&#34;</span>;
<span class="synStatement">while</span> (<span class="synIdentifier">@_</span>) {
<span class="synStatement">my</span> <span class="synIdentifier">$part_filename</span> = <span class="synStatement">shift</span>;
<span class="synComment"># パスの区切り文字を指定</span>
<span class="synStatement">my</span> <span class="synIdentifier">$delim</span> = <span class="synConstant">'/'</span>;
<span class="synComment"># $dirnameの最後が「/」or「\」だったら、区切り文字をnullに</span>
<span class="synStatement">if</span> (<span class="synIdentifier">$init_dir</span> =~<span class="synStatement"> /</span><span class="synConstant">[</span><span class="synSpecial">\/\\</span><span class="synConstant">]$</span><span class="synStatement">/</span>) {
<span class="synIdentifier">$delim</span> = <span class="synConstant">''</span>;
}
<span class="synComment"># 表示</span>
<span class="synStatement">my</span> <span class="synIdentifier">$full_filename</span> = <span class="synConstant">&#34;</span><span class="synIdentifier">$init_dir$delim$part_filename</span><span class="synConstant">&#34;</span>;
<span class="synStatement">open</span> (<span class="synIdentifier">FILE</span>, <span class="synIdentifier">$full_filename</span>) <span class="synStatement">or</span> <span class="synStatement">die</span> <span class="synConstant">&#34;</span><span class="synIdentifier">$!</span><span class="synConstant">&#34;</span>;
<span class="synStatement">while</span> (<span class="synIdentifier">&#60;FILE&#62;</span>) {
<span class="synStatement">if</span> (<span class="synIdentifier">$_</span> =~<span class="synStatement"> /</span><span class="synIdentifier">$expr</span><span class="synStatement">/i</span>){
<span class="synStatement">my</span> <span class="synIdentifier">$tmp</span> = <span class="synConstant">&#34;-- &#34;</span>;
<span class="synIdentifier">$tmp</span> = <span class="synIdentifier">$tmp</span> . <span class="synConstant">&#34;[http://d.hatena.ne.jp/sirocco634/&#34;</span>;
<span class="synIdentifier">$tmp</span> = <span class="synIdentifier">$tmp</span> . <span class="synIdentifier">$part_filename</span>;
<span class="synIdentifier">$tmp</span> = <span class="synIdentifier">$tmp</span> . <span class="synConstant">&#34;:title]</span><span class="synSpecial">\n</span><span class="synConstant">&#34;</span>;
<span class="synStatement">push</span> <span class="synIdentifier">@outputs</span>, <span class="synIdentifier">$tmp</span>;
<span class="synStatement">last</span>;
}
}
<span class="synStatement">close</span> (<span class="synIdentifier">FILE</span>);
}
}
</pre>
</div>