Re^3: How do i do a direct comparison of an array of strings?

Or even:

sub differing_positions {
  my @c = unpack('C*', $_[0] ^ $_[1]) ;
  return grep $c[$_], (0..$#c) ;
}
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Re^4: How do i do a direct comparison of an array of strings? by AnomalousMonk (Archbishop) on Feb 20, 2009 at 11:36 UTC
The `unpack` solution is simpler, IMHO, than the regex solution (see Re^2: How do i do a direct comparison of an array of strings? below), and is also faster except for strings in which there are relatively few differences. Benchmarks: Read more... (2 kB)	[reply] [d/l] [select]