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    <title>Vidul Nikolaev Petrov: Tag data</title>
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      <title>Ruby __DATA__ (embedded data)</title>
      <description>&lt;div class="typocode"&gt;&lt;pre&gt;&lt;code class="typocode_ruby "&gt;&lt;span class="keyword"&gt;module &lt;/span&gt;&lt;span class="module"&gt;Kernel&lt;/span&gt;
  &lt;span class="constant"&gt;RE_THIS_DATA&lt;/span&gt; &lt;span class="punct"&gt;=&lt;/span&gt; &lt;span class="ident"&gt;lambda&lt;/span&gt;&lt;span class="punct"&gt;{&lt;/span&gt; &lt;span class="punct"&gt;|&lt;/span&gt;&lt;span class="ident"&gt;number&lt;/span&gt;&lt;span class="punct"&gt;|&lt;/span&gt; &lt;span class="punct"&gt;/&lt;/span&gt;&lt;span class="regex"&gt;^__DATA&lt;span class="expr"&gt;#{number}&lt;/span&gt;__&lt;span class="escape"&gt;\n&lt;/span&gt;&lt;/span&gt;&lt;span class="punct"&gt;/&lt;/span&gt; &lt;span class="punct"&gt;}&lt;/span&gt;
  &lt;span class="constant"&gt;RE_THE_DATA&lt;/span&gt;  &lt;span class="punct"&gt;=&lt;/span&gt; &lt;span class="punct"&gt;/&lt;/span&gt;&lt;span class="regex"&gt;^__DATA&lt;span class="escape"&gt;\d&lt;/span&gt;+__&lt;/span&gt;&lt;span class="punct"&gt;/&lt;/span&gt;

  &lt;span class="keyword"&gt;def &lt;/span&gt;&lt;span class="method"&gt;__data__&lt;/span&gt;&lt;span class="punct"&gt;(&lt;/span&gt;&lt;span class="ident"&gt;num&lt;/span&gt;&lt;span class="punct"&gt;=&amp;quot;&lt;/span&gt;&lt;span class="string"&gt;&lt;/span&gt;&lt;span class="punct"&gt;&amp;quot;)&lt;/span&gt;
    &lt;span class="ident"&gt;data&lt;/span&gt; &lt;span class="punct"&gt;=&lt;/span&gt; &lt;span class="constant"&gt;File&lt;/span&gt;&lt;span class="punct"&gt;.&lt;/span&gt;&lt;span class="ident"&gt;read&lt;/span&gt;&lt;span class="punct"&gt;(&lt;/span&gt;&lt;span class="global"&gt;$0&lt;/span&gt;&lt;span class="punct"&gt;).&lt;/span&gt;&lt;span class="ident"&gt;split&lt;/span&gt;&lt;span class="punct"&gt;(&lt;/span&gt;&lt;span class="constant"&gt;RE_THIS_DATA&lt;/span&gt;&lt;span class="punct"&gt;.&lt;/span&gt;&lt;span class="ident"&gt;call&lt;/span&gt;&lt;span class="punct"&gt;(&lt;/span&gt;&lt;span class="ident"&gt;num&lt;/span&gt;&lt;span class="punct"&gt;))&lt;/span&gt;
    &lt;span class="ident"&gt;data&lt;/span&gt;&lt;span class="punct"&gt;[&lt;/span&gt;&lt;span class="number"&gt;1&lt;/span&gt;&lt;span class="punct"&gt;].&lt;/span&gt;&lt;span class="ident"&gt;split&lt;/span&gt;&lt;span class="punct"&gt;(&lt;/span&gt;&lt;span class="constant"&gt;RE_THE_DATA&lt;/span&gt;&lt;span class="punct"&gt;)[&lt;/span&gt;&lt;span class="number"&gt;0&lt;/span&gt;&lt;span class="punct"&gt;]&lt;/span&gt; &lt;span class="keyword"&gt;if&lt;/span&gt; &lt;span class="ident"&gt;data&lt;/span&gt;&lt;span class="punct"&gt;[&lt;/span&gt;&lt;span class="number"&gt;1&lt;/span&gt;&lt;span class="punct"&gt;]&lt;/span&gt;
  &lt;span class="keyword"&gt;end&lt;/span&gt;
&lt;span class="keyword"&gt;end&lt;/span&gt;

&lt;span class="ident"&gt;puts&lt;/span&gt; &lt;span class="punct"&gt;&amp;quot;&lt;/span&gt;&lt;span class="string"&gt;DATA&lt;/span&gt;&lt;span class="punct"&gt;&amp;quot;&lt;/span&gt;
&lt;span class="ident"&gt;print&lt;/span&gt; &lt;span class="ident"&gt;__data__&lt;/span&gt;&lt;span class="punct"&gt;()&lt;/span&gt;

&lt;span class="ident"&gt;puts&lt;/span&gt; &lt;span class="punct"&gt;&amp;quot;&lt;/span&gt;&lt;span class="string"&gt;DATA1&lt;/span&gt;&lt;span class="punct"&gt;&amp;quot;&lt;/span&gt;
&lt;span class="ident"&gt;print&lt;/span&gt; &lt;span class="ident"&gt;__data__&lt;/span&gt;&lt;span class="punct"&gt;(&lt;/span&gt;&lt;span class="number"&gt;1&lt;/span&gt;&lt;span class="punct"&gt;)&lt;/span&gt;

&lt;span class="ident"&gt;puts&lt;/span&gt; &lt;span class="punct"&gt;&amp;quot;&lt;/span&gt;&lt;span class="string"&gt;DATA2&lt;/span&gt;&lt;span class="punct"&gt;&amp;quot;&lt;/span&gt;
&lt;span class="ident"&gt;print&lt;/span&gt; &lt;span class="ident"&gt;__data__&lt;/span&gt;&lt;span class="punct"&gt;(&lt;/span&gt;&lt;span class="number"&gt;2&lt;/span&gt;&lt;span class="punct"&gt;)&lt;/span&gt;

&lt;span class="comment"&gt;__END__

__DATA__
data_1
data_2
data_3

__DATA1__
data1_1
data1_2
data1_3

data1_11

__DATA2__
data2_1
data2_2
data2_3

data2_31&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;</description>
      <pubDate>Fri, 22 Aug 2008 10:04:00 -0600</pubDate>
      <guid isPermaLink="false">urn:uuid:5494c1f6-f101-4756-b5d6-6a39578877e8</guid>
      <author>root</author>
      <link>http://www.vidul.com/articles/2008/08/22/ruby-__data__-embedded-data</link>
      <category>Ruby</category>
      <category>data</category>
      <trackback:ping>http://www.vidul.com/articles/trackback/82</trackback:ping>
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