How about (untested) 
open X,'karma.txt';undef$/;
my %x=split/\s+/,<X>;
$x{$user}++;
close X;open X,'>karma.txt';
print X "$_ $x{$_}\n" for keys %x;
close X;

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In reply to Re: Storing karma by Anonymous Monk
in thread Storing karma by dusk

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