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my ($k,$g,$a,$v,$f,$c) = split(/,/,$line); push(@{$href->{$v}},$a); sort(uniq(@{$href->{$v}}));
my ($k,$g,$a,$v,$f,$c) = split(/,/,$line); my @temp_arr; ... } push (@temp_arr,$a); @{$href->{$v}} = sort(uniq(@temp_arr));