bin2hex.pl

   1 #!/usr/bin/perl
   2 ## -----------------------------------------------------------------------
   3 ##
   4 ##   Copyright 2003 H. Peter Anvin - All Rights Reserved
   5 ##
   6 ##   Permission is hereby granted, free of charge, to any person
   7 ##   obtaining a copy of this software and associated documentation
   8 ##   files (the "Software"), to deal in the Software without
   9 ##   restriction, including without limitation the rights to use,
  10 ##   copy, modify, merge, publish, distribute, sublicense, and/or
  11 ##   sell copies of the Software, and to permit persons to whom
  12 ##   the Software is furnished to do so, subject to the following
  13 ##   conditions:
  14 ##
  15 ##   The above copyright notice and this permission notice shall
  16 ##   be included in all copies or substantial portions of the Software.
  17 ##
  18 ##   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19 ##   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  20 ##   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21 ##   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  22 ##   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  23 ##   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  24 ##   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  25 ##   OTHER DEALINGS IN THE SOFTWARE.
  26 ##
  27 ## -----------------------------------------------------------------------
  28
  29 eval { use bytes; }; eval { binmode STDIN; };
  30
  31 $len = 0;
  32 while ( read(STDIN,$ch,1) ) {
  33     $cc = ord($ch);
  34     $len += printf ("%x", $cc);
  35     if ( $len > 72 ) {
  36         print "\n";
  37         $len = 0;
  38     } else {
  39         print " ";
  40         $len++;
  41     }
  42 }
  43 print "\n" if ( $len );
  44 exit 0;