Array-Lookup
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<ul id="index">
  <li><a href="#NAME">NAME</a></li>
  <li><a href="#SYNOPSIS">SYNOPSIS</a></li>
  <li><a href="#DESCRIPTION">DESCRIPTION</a>
    <ul>
      <li><a href="#lookup">lookup</a></li>
      <li><a href="#lookup_error">lookup_error</a></li>
    </ul>
  </li>
  <li><a href="#EXAMPLES">EXAMPLES</a>
    <ul>
      <li><a href="#Using-arrays">Using arrays</a></li>
      <li><a href="#Using-hashes">Using hashes</a></li>
    </ul>
  </li>
  <li><a href="#SEE-ALSO">SEE ALSO</a></li>
  <li><a href="#AUTHOR">AUTHOR</a></li>
</ul>

<h1 id="NAME">NAME</h1>

<p><b>Array::Lookup</b> - Lookup strings in arrays or hash tables with abbreviation.</p>

<h1 id="SYNOPSIS">SYNOPSIS</h1>

<pre><code>    use Array::Lookup;

    $value = lookup $key, \@keywords, \&amp;notfound, \&amp;toomany;

    $value = lookup $key, \%keywords, \&amp;notfound, \&amp;toomany;

    lookup_error $key, $keywords, $err, $msg;</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<h2 id="lookup"><b>lookup</b></h2>

<p>Lookup <code><i>$key</i></code> in the table <code><i>@keywords</i></code> and return the unambiguously matching keyword, if any. If the second argument is given as a hash array, <code><i>%keywords</i></code>, then lookup a matching key, with abbr...

<p>If there are no matches, invoke <code><i>&amp;notfound</i></code> like this:</p>

<pre><code>    &amp;$notfound( $key, \@keywords, &#39;&#39;);</code></pre>

<p>If there are two or more matches, invoke <code><i>&amp;toomany</i></code> like this:</p>

<pre><code>    &amp;$toomany( $key, \@keywords, \@matches);</code></pre>

<p>If either subroutine is omitted or null, then no special action is taken except that <code>undef</code> is returned for the failed lookup.</p>



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