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    <title></title>
    <link>https://www.webmaster-forums.net/serverside-scripting/perl-hash-functions#comment-1079743</link>
    <description> &lt;p&gt;You wrote:&lt;/p&gt;
&lt;p&gt;&lt;div class=&quot;codeblock&quot;&gt;&lt;code&gt;if (exists $hash($key})&lt;/code&gt;&lt;/div&gt;&#039;&lt;/p&gt;
&lt;p&gt;which has a syntax error.  Perhaps you meant&lt;/p&gt;
&lt;p&gt;&lt;div class=&quot;codeblock&quot;&gt;&lt;code&gt;if (exists $hash&amp;lt;strong&amp;gt;{&amp;lt;/strong&amp;gt;$key})&lt;/code&gt;&lt;/div&gt;&#039;&lt;/p&gt;
&lt;p&gt;Regardless, the &lt;strong&gt;exists&lt;/strong&gt; function should not give you errors.  Your problem is elsewhere -- perhaps you&#039;re using an older version of Perl?&lt;/p&gt;
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     <pubDate>Fri, 23 Mar 2001 18:49:58 +0000</pubDate>
 <dc:creator>japhy</dc:creator>
 <guid isPermaLink="false">comment 1079743 at https://www.webmaster-forums.net</guid>
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    <link>https://www.webmaster-forums.net/serverside-scripting/perl-hash-functions#comment-1079737</link>
    <description> &lt;p&gt;I don&#039;t know, never used it.  Found these links though, hope they help...&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://www.perl.com/pub/doc/manual/html/pod/perlfunc/exists.html&quot; class=&quot;bb-url&quot;&gt;http://www.perl.com/pub/doc/manual/html/pod/perlfunc/exists.html&lt;/a&gt;&lt;br /&gt;
&lt;a href=&quot;http://www.perl.com/pub/doc/manual/html/pod/perlfunc/defined.html&quot; class=&quot;bb-url&quot;&gt;http://www.perl.com/pub/doc/manual/html/pod/perlfunc/defined.html&lt;/a&gt;&lt;/p&gt;
 </description>
     <pubDate>Fri, 23 Mar 2001 18:09:08 +0000</pubDate>
 <dc:creator>Mark Hensler</dc:creator>
 <guid isPermaLink="false">comment 1079737 at https://www.webmaster-forums.net</guid>
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