-site => 'https://analytics.wikimedia.org/',
);
-my $recent = qr/^2019-/;
-
(readline =~ y/\t//) == 3 or die "unexpected amount of columns in header\n";
+my @lines = readline;
+
+my $recent; # minimum date to include
+for (reverse @lines) {
+ my ($date) = /(\S+)/;
+ $recent ne $date or next if $recent; # same day
+ $recent = $date; # override older date
+ last if state $i++ >= 2; # repeat twice
+}
-while (my $row = readline) {
+for my $row (@lines) {
$row =~ s/\r?\n\z//;
my ($date, $name, $version, $pct) = split /\t/, $row;
- $date =~ $recent or next;
+ $date ge $recent or next;
$name =~ y/ /-/;
my $browser = $BROWSERID{$name};
if (not $browser) {