if ($opt{output}) {{
# derive format from file extension
- if ($opt{output} =~ /\.yaml$/) {
- $opt{format} //= 'yaml';
+ if ($opt{output} =~ /\.(yaml|txt)$/) {
+ $opt{format} //= $1
}
- elsif ($opt{output} !~ /\.txt$/) {
- $opt{format} //= 'pnm';
- last; # images are written directly to file
+ else {
+ # images are written directly to file
+ last;
}
# redirect standard output to given file
# output with user-preferred formatting
given ($opt{format}) {
-when ('pnm') {
- require Games::Wormy::Render;
-
- my @request;
- if ($opt{levels}) {
- # find all numeric values in argument
- @request = $opt{levels} =~ /(\d+)/g;
- }
- else {
- # default to all singleplayer levels
- @request = 0 .. $data->{levelcount}->{single} - 1;
- }
- @request or die "no levels found or specified\n";
-
- my $img = Games::Wormy::Render->composite(
- map { $data->{levels}->[$_] } @request
- ) or die "empty result for levels\n";
- $img->write(
- $opt{output} ? (file => $opt{output}) : (fh => \*STDOUT, type => 'pnm')
- ) or die $img->errstr;
-}
when ('yaml') {
# full data in yaml (human-readable) formatting
require YAML;
print $yml;
}
-default {
+when ('txt') {
print $data->{name};
print " ($data->{description})" if defined $data->{description};
print "\n";
}
print "\n";
}
+default {
+ require Games::Wormy::Render;
+
+ my @request;
+ if ($opt{levels}) {
+ # find all numeric values in argument
+ @request = $opt{levels} =~ /(\d+)/g;
+ }
+ else {
+ # default to all singleplayer levels
+ @request = 0 .. $data->{levelcount}->{single} - 1;
+ }
+ @request or die "no levels found or specified\n";
+
+ my $img = Games::Wormy::Render->composite(
+ map { $data->{levels}->[$_] } @request
+ ) or die "empty result for levels\n";
+ if ($opt{format} ~~ 'pbm') {
+ $img = $img->to_paletted({make_colors => 'mono'});
+ $opt{format} = 'pnm';
+ }
+ $img->write(
+ $opt{output} ? (file => $opt{output}) : (fh => \*STDOUT),
+ type => $opt{format} // 'pnm',
+ ) or die $img->errstr;
+}
}
__END__