my $update = eval { stat(${^LAST_FH} // $ARGV)->mtime }
or warn "Could not determine input time\n";
$data->{-date} = Time::Piece->new($update)->datetime;
+delete $data->{eras};
+for (values %{ $data->{data} }) {
+ delete @{$_}{qw[ usage_perc_a usage_perc_y ]};
+}
+for (values %{ $data->{agents} }) {
+ delete $_->{usage_global};
+ shift @{ $_->{versions} } while !defined $_->{versions}->[0];
+}
say "# automatically generated by $0";
print '+', pp($data);