57 lines
1.5 KiB
Perl
57 lines
1.5 KiB
Perl
package DDG::Goodie::DaysBetween;
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# ABSTRACT: Give the number of days between two given dates.
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use DDG::Goodie;
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use Date::Calc qw( Date_to_Days);
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use Time::localtime;
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triggers start => "days", "daysbetween", "days_between";
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zci is_cached => 1;
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zci answer_type => "days_between";
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primary_example_queries 'days between 01/01/2000 01/01/2001';
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secondary_example_queries 'days between 01/01/2000 01/01/2001 inclusive';
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description 'calculate the number of days between two dates';
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name 'DaysBetween';
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code_url 'https://github.com/duckduckgo/zeroclickinfo-goodies/blob/master/lib/DDG/Goodie/DaysBetween.pm';
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category 'calculations';
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topics 'everyday';
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attribution github => ['http://github.com/JetFault', 'JetFault'];
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handle query_lc => sub {
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s/^days(?:\s|_)*between//;
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my @dates = $_ =~ m#([01]?[0-9])/([0-3]?[0-9])/([0-9]{4}(?=\s|$))#g;
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if(scalar(@dates) == 3) {
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my $tm = localtime;
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push(@dates, $tm->mon + 1, $tm->mday, $tm->year + 1900);
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}
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if(scalar(@dates) == 6) {
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my ($days1, $days2);
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my $inclusive = '';
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eval {
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$days1 = Date_to_Days(@dates[2,0,1]);
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$days2 = Date_to_Days(@dates[5,3,4]);
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};
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if ($@) {
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return;
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}
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my $daysBetween = abs($days2 - $days1);
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if(/inclusive/) {
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$daysBetween += 1;
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$inclusive = ', inclusive';
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}
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my $startDate = join '/', @dates[0,1,2];
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my $endDate = join '/', @dates[3,4,5];
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return 'There are ' . $daysBetween ." days between ". $startDate . ' and ' . $endDate . $inclusive . '.';
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}
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return;
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};
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1;
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