use strict;
use warnings;

sub nand {
    my @o = reverse split //, $_[0];
    my @l = reverse split //, $_[1];
    push @l, 0 while @o > @l;
    return join '', reverse map { 0+!shift @o || 0+!$_} @l;
}

print nand('1101','10111');

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In reply to Re: XOR, AND or NAND'ing bitstrings. by jryan
in thread XOR, AND or NAND'ing bitstrings. by BazB

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