How about: 

  open(FILE3, '>file3') or die $!;
  print FILE3 ((`cat file1` + `cat file2`) % 2);
  close FILE3;

[download]

Not what you meant? Yeah, I figured. Maybe you could slow down and explain exactly what you're trying to do?

-sam

In reply to Re: Mod-2 add 2 binary files by samtregar
in thread Mod-2 add 2 binary files by tperdue

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