I missed the part about having to generate these strings, here you go: 

#!/usr/bin/perl

# http://perlmonks.org/?node_id=1141773

use strict;
use warnings;

my $answer = handlingbinary( "139686DA20C1" );
print "$answer\n";

print tofivebit( 'ANONYMOUS MONK' ), "\n";
print tofivebit( 'COLINWRAY' ), "\n";


sub handlingbinary
  {
  return join '', ('A'..'Z')[ map { oct "0b$_" }
    (unpack 'B*', pack 'H*', shift()) =~ /.{5}/g ]
  }

sub tofivebit
  {
  uc unpack 'H*', pack 'B*',
    shift() =~ tr/A-Z//cdr =~ s/(.)/ sprintf "%05b", ord($1) - ord('A'
+) /ger;
  }

[download]

In reply to Re^2: Handling binary by Anonymous Monk
in thread Handling binary by G109B

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