note
Fastolfe
You could simplify your code a lot by working with hashes instead of arrays.
<code>
use List::Util 'sum';
while (<TABFILE>) {
my @fields = split /\t/;
my $identifier = shift @fields;
my ($category, $group) = ($identifier =~ /^TS(\d+)(\w+)/);
warn "Parse error", return unless $category && $group;
# This may not be what you're doing, but change
# this to do the calculations you need to do
$sums{$group}->{$category} += sum(@fields);
$totals{$group}->{$category} += @fields;
}
# Another way of cleaning up bad data
foreach (keys %sums) {
$sums{$_}->{CCFN30NT} += delete $sums{$_}->{CCCFN30NT};
$totals{$_}->{CCFN30NT} += delete $totals{$_}->{CCCFN30NT};
...
}
</code>
Also note that Excel can work with CSV or tab-delimited files natively, and more importantly, you can use formulas in Excel to calculate a lot of this. Your script need only output an Excel formula in a field (preceded with an equal sign) instead of calculating the value in advance.
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