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public text v1 · immutableuse Encode qw/encode decode/;
$_ = ascii_to_hex('frozen is jew');
$_ = hex_to_ascii($_);
print $_;
sub ascii_to_hex ($)
{
(my $str = shift) =~ s/(.|\n)/sprintf("%02lx", ord $1)/eg;
$str =~ s/(..)/\\x$1/g;
return $str;
}
sub hex_to_ascii ($)
{
(my $str = shift) =~ s/([a-fA-F0-9]{2})/chr(hex $1)/eg;
$str =~ s/\\x//g;
return $str;
}