a2int.pl

#!/usr/bin/perl -w
###########################################################################
##                                                                       ##
##                    Carnegie Mellon University                         ##
##                        Copyright (c) 2005                             ##
##                        All Rights Reserved.                           ##
##                                                                       ##
##  Permission is hereby granted, free of charge, to use and distribute  ##
##  this software and its documentation without restriction, including   ##
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##  distribute, sublicense, and/or sell copies of this work, and to      ##
##  permit persons to whom this work is furnished to do so, subject to   ##
##  the following conditions:                                            ##
##   1. The code must retain the above copyright notice, this list of    ##
##      conditions and the following disclaimer.                         ##
##   2. Any modifications must be clearly marked as such.                ##
##   3. Original authors' names are not deleted.                         ##
##   4. The authors' names are not used to endorse or promote products   ##
##      derived from this software without specific prior written        ##
##      permission.                                                      ##
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##  CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK         ##
##  DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING      ##
##  ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT   ##
##  SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE      ##
##  FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES    ##
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##  THIS SOFTWARE.                                                       ##
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###########################################################################
##                                                                       ##
##  Convert ascii to binary                                              ##
##                                                                       ##
###########################################################################

use strict;
$|=1;
binmode(STDOUT);

my $bintype;

$bintype = 'I';

my $dub;
my $buff;
while (<>) { 
    $buff = pack($bintype,$_);
    print "$buff";
}