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<a href="http://ko.perlmaven.com/sorting-mixed-strings">How to sort array of mixed strings (string+number) by number(Korean)</a><br />
<a href="http://www.emh.co.kr/content.pl?perl_file_directory">File handle, directory working and globbing</a><br />
<a href="http://gypark.pe.kr/wiki/Perl/%EC%A0%95%EA%B7%9C%ED%91%9C%ED%98%84%EC%8B%9D">Regular expression</a><br />
...</p>
