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<p>->http://learn.perl.org/installing/windows.html</p>
<p>Why need the 'perl' editor program?</p>
<p>->http://ko.perlmaven.com/perl-editor</p>
<p> </p>
<p>What is the 'perl' program?</p>
<p>-> https://qntm.org/files/perl/perl_kr.html</p>
<p> </p>
