XOR on string

[snacktime]

> lrc == Linear Redundancy Check?  or Longitudinal?  Note that
> such terms are not precisely defined... generally just acronyms
> people make up and stick in their user manuals for stuff. :-)
> 
Longitudinal

> import operator
> lrc = reduce(operator.xor, [ord(c) for c in string])

That's better than what I had, which as it turned out was working I
was just calculating the lrc on one extra digit that I should have
been.

Chris