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msztolcman/Rot13.pm

Created May 15, 2013 01:21
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Rot13.pm
package Rot13;
use 5.010;
use Filter::Simple;
FILTER {
if ($_ =~ s/^!//mg) {
$_ =~ tr/a-zA-Z/n-za-mN-ZA-N/;
}
};
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