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Ingy döt Net 2013-04-10 12:38:42 -07:00
parent 3af7344581
commit 86c034bb8b
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Task/Caesar-cipher/Perl/caesar-cipher.pl Normal file
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sub encipher {
my ($_, $k, $decode) = @_;
$k = 26 - $k if $decode;
join('', map(chr(((ord(uc $_) - 65 + $k) % 26) + 65), /([a-z])/gi));
}
my $msg = 'THE FIVE BOXING WIZARDS JUMP QUICKLY';
my $enc = encipher($msg, 10);
my $dec = encipher($enc, 10, 'decode');
print "msg: $msg\nenc: $enc\ndec: $dec\n";