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if ($INPUT{'fourthing'} eq "four") { $address = "four.txt"; } elsif ($INPUT{'fourthing'} eq "five") { ... } elsif ($INPUT{'fourthing'} eq "six") { $address = "six.txt"; } else {&formula; }
$;=sub{$/};@;=map{my($a,$b)=($_,$;);$;=sub{$a.$b->()}} split//,".rekcah lreP rehtona tsuJ";$\=$ ;->();print$/