http://www.yup.com/articles/2006/04/13/palindromes-in-ruby en-us 40 Advanced Web Services <p>Need to find palindromic words in ruby? Try this:</p> <div class="typocode"><pre><code class="typocode_ruby "><span class="ident">long_palindromes</span> <span class="punct">=</span> <span class="constant">File</span><span class="punct">.</span><span class="ident">open</span><span class="punct">(&quot;</span><span class="string">/usr/share/dict/words</span><span class="punct">&quot;).</span><span class="ident">select</span> <span class="punct">{</span> <span class="punct">|</span><span class="ident">w</span><span class="punct">|</span> <span class="ident">w</span><span class="punct">.</span><span class="ident">chomp!</span><span class="punct">;</span> <span class="ident">w</span><span class="punct">.</span><span class="ident">reverse</span> <span class="punct">==</span> <span class="ident">w</span> <span class="punct">&amp;&amp;</span> <span class="ident">w</span><span class="punct">.</span><span class="ident">length</span> <span class="punct">&gt;</span> <span class="number">3</span> <span class="punct">}</span> <span class="ident">puts</span> <span class="ident">long_palindromes</span><span class="punct">.</span><span class="ident">join</span><span class="punct">('</span><span class="string">, </span><span class="punct">')</span></code></pre></div> Thu, 13 Apr 2006 15:47:00 -0400 urn:uuid:296ba8a5-4b96-4f54-8314-37c16fe84732 Daniel Butler http://www.yup.com/articles/2006/04/13/palindromes-in-ruby Programming Ruby