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package Catmandu::Cmd::convert;
use Catmandu::Sane;
our $VERSION = '1.2024';
use parent 'Catmandu::Cmd';
use Catmandu;
use Catmandu::Util qw(array_includes);
use namespace::clean;
sub command_opt_spec {
(
["verbose|v", ""],
["fix=s@", ""],
["var=s%", ""],
["preprocess|pp", ""],
["start=i", ""],
["total=i", ""],
["id=s@", ""],
[
"id-file=s",
"A line-delimited file containing the id's to include in the conversion. Other records will be ignored."
],
);
}
sub command {
my ($self, $opts, $args) = @_;
my ($from_args, $from_opts, $into_args, $into_opts)
= $self->_parse_options($args);
my $from = Catmandu->importer($from_args->[0], $from_opts);
my $into = Catmandu->exporter($into_args->[0], $into_opts);
if ($opts->id // $opts->id_file) {
my $id_map = {};
if (my $ids = $opts->id) {
$id_map->{$_} = 1 for @$ids;
}
else {
Catmandu->importer('Text', file => $opts->id_file)->each(
sub {
$id_map->{$_[0]->{text}} = 1;
}
);
}
$from = $from->select(
sub {defined $_[0]->{_id} && exists $id_map->{$_[0]->{_id}}});
}
elsif ($opts->start // $opts->total) {
$from = $from->slice($opts->start, $opts->total);
}
if ($opts->fix) {
$from = $self->_build_fixer($opts)->fix($from);
}
if ($opts->verbose) {
$from = $from->benchmark;
}
my $n = $into->add_many($from);
$into->commit;
if ($opts->verbose) {
say STDERR $n == 1 ? "converted 1 item" : "converted $n items";
say STDERR "done";
}
}
1;
__END__
=pod
=head1 NAME
Catmandu::Cmd::convert - convert items
=head1 EXAMPLES
catmandu convert <IMPORTER> <OPTIONS> to <EXPORTER> <OPTIONS>
cat books.json | catmandu convert JSON to CSV --fields id,title
catmandu help importer JSON
catmandu help exporter YAML
=cut
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