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Most likely you're going to simply be throttled by IO speed. However, your above code could in theory be simplified by limiting the split to only 3 parts, and by adding the dup check to the while loop. Assuming that dup count is all you really care about.
if ($file =~ $spec_text){ my $file_date = (split(/\./,$file))[3]; open(IN, '<', $file) or die("open failed: $!"); my $count_uniq = 0; my %seen; while (<IN>) { chomp; my ($ele0, $ele1, undef) = split ';', $_, 3; $count_uniq++ if !$seen{"$ele0;$ele1;$file_date"}++; } print "$.\n"; # Total number of lines. print "$count_uniq\n"; close(IN); }
- Miller

In reply to Re: how to speed up dupe checking of arrays by wind
in thread how to speed up dupe checking of arrays by ultibuzz

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