Look ma, no unpack!
#!/usr/bin/perl
use strict;
use warnings;
while(<DATA>) {
our $val = 0; # in-regex code is a closure...
() = $_ =~ /1(?{$val+=1<<(pos()-1)})/g;
print $., "\t", $val, "\t", chr($val), "\n";
}
__DATA__
01101010
10010101
01010101
01011011
01001101
01101010
10011011
01010000
Makeshifts last the longest.
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