#! /usr/bin/perl
use warnings;
use strict;

my %email;
while (<>) {
    undef $email{$1} while /([-'a-z._0-9]+@(?:[a-z0-9_]+\.)+[a-z]+)/ig;
}
print join ';', sort keys %email;


##</code><code>##

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,