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#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;
use File::Slurp qw(read_file write_file);
use JSON;
use Text::CSV;
my @csv_lines = read_file( 'stations.csv', { binmode => ':utf8' } );
my @stations;
my $csv = Text::CSV->new;
# skip header
shift @csv_lines;
for my $line (@csv_lines) {
if ( $csv->parse($line) ) {
my ( $name, $ds100, $uic, $lat, $lon ) = $csv->fields;
my $station = {
name => $name,
ds100 => $ds100,
uic => 0 + $uic,
latlong => undef
};
if ( $lat and $lon ) {
$station->{latlong} = [ 0 + $lat, 0 + $lon ];
}
push( @stations, $station );
}
}
@stations = sort { $a->{name} cmp $b->{name} } @stations;
my $json_out = JSON->new->utf8->canonical->pretty->encode( [@stations] );
write_file( 'stations.json', $json_out );
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