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#!/usr/bin/perl
#
# An alternate simple substitution cipher to ROT13
# written by Jan Engelhardt, 2013
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the WTF Public License version 2 or
# (at your option) any later version.
#
use utf8;
binmode STDIN, ":utf8";
binmode STDOUT, ":utf8";
if ($ARGV[0] eq "-d") {
shift @ARGV;
while (<>) {
tr[☺☻♥♦♣♠•◘○◙♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼]{ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^};
print;
}
} else {
while (<>) {
tr[a-z][A-Z];
tr{ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^}[☺☻♥♦♣♠•◘○◙♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼];
print;
}
}
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