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#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;
use Astro::Sunrise;
use DateTime;
use DateTime::Duration;
use Getopt::Std;
our $VERSION = '0.0';
my %opts;
getopts( 'd:ov', \%opts );
my $now = DateTime->now( time_zone => 'Europe/Berlin' );
my $delta = DateTime::Duration->new( minutes => $opts{d} || 0 );
my ( $rise_str, $set_str )
= sunrise( $now->year, $now->month, $now->day, 6.47, 51.14,
$now->offset / 3600,
0 );
my ( $rise_h, $rise_m ) = ( $rise_str =~ m{(..):(..)} );
my ( $set_h, $set_m ) = ( $set_str =~ m{(..):(..)} );
my $sunrise = $now->clone->set(
hour => $rise_h,
minute => $rise_m,
);
my $sunset = $now->clone->set(
hour => $set_h,
minute => $set_m,
);
$sunrise->add_duration($delta);
$sunset->subtract_duration($delta);
if ( $opts{v} ) {
say 'rise at ' . $sunrise->hms;
say 'now is ' . $now->hms;
say 'set at ' . $sunset->hms;
}
if ( $opts{o} ) {
say( ( $now < $sunrise or $now > $sunset ) ? '1' : '0' );
exit 0;
}
if ( $now < $sunrise or $now > $sunset ) {
exit 0;
}
exit 1;
__END__
=head1 NAME
=head1 SYNOPSIS
=head1 VERSION
=head1 DESCRIPTION
=head1 OPTIONS
=over
=back
=head1 EXIT STATUS
=head1 CONFIGURATION
None.
=head1 DEPENDENCIES
=over
=back
=head1 BUGS AND LIMITATIONS
=head1 AUTHOR
Copyright (C) 2012 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
=head1 LICENSE
0. You just DO WHAT THE FUCK YOU WANT TO.
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