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#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;
no if $] >= 5.018, warnings => "experimental::smartmatch";
our $VERSION = '0.00';
binmode( STDOUT, ':encoding(utf-8)' );
use Getopt::Long qw(:config no_ignore_case);
use List::Util qw(max);
use Travel::Status::DE::ASEAG;
my (@grep_lines);
GetOptions(
'h|help' => sub { show_help(0) },
'l|line=s@' => \@grep_lines,
'V|version' => \&show_version,
) or show_help(1);
if ( @ARGV != 1 ) {
show_help(1);
}
# --line=foo,bar support
@grep_lines = split( qr{,}, join( q{,}, @grep_lines ) );
my ($stop_name) = @ARGV;
my $status = Travel::Status::DE::ASEAG->new( name => $stop_name, );
sub show_help {
my ($code) = @_;
print "Usage: aseag-m <stop name>\n" . "See also: man aseag-m\n";
exit $code;
}
sub show_version {
say "aseag-m version ${VERSION}";
exit 0;
}
sub display_result {
my (@lines) = @_;
my @line_length;
if ( not @lines ) {
die("Nothing to show\n");
}
for my $i ( 0 .. 2 ) {
$line_length[$i] = max map { length( $_->[$i] ) } @lines;
}
for my $line (@lines) {
printf(
join( q{ }, ( map { "%-${_}s" } @line_length ) ) . "\n",
@{$line}[ 0 .. 2 ]
);
}
return;
}
sub show_results {
my @output;
for my $d ( $status->results ) {
my $dtime = $d->time;
if ( ( @grep_lines and not( $d->line ~~ \@grep_lines ) ) ) {
next;
}
push( @output, [ $dtime, $d->line, $d->destination ] );
}
display_result(@output);
return;
}
if ( my $err = $status->errstr ) {
say STDERR "Request error: ${err}";
exit 2;
}
show_results();
__END__
=head1 NAME
aseag-m - Unofficial interface to the ASEAG departure monitor
=head1 SYNOPSIS
B<aseag-m> I<name>
=head1 VERSION
version 1.04
=head1 DESCRIPTION
B<aseag-m> lists upcoming bus departures at the ASEAG stop I<name>.
=head1 OPTIONS
=over
=item B<-l>, B<--line> I<lines>
Only show departures of I<lines> (comma-separatad list, option may be
repeated)
=item B<-V>, B<--version>
Show version information.
=back
=head1 EXIT STATUS
Zero.
=head1 CONFIGURATION
None.
=head1 DEPENDENCIES
=over
=item * Class::Accessor(3pm)
=item * DateTime(3pm)
=item * LWP::UserAgent(3pm)
=back
=head1 BUGS AND LIMITATIONS
Unknown.
=head1 AUTHOR
Copyright (C) 2013 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
=head1 LICENSE
This program is licensed under the same terms as Perl itself.
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