use 5.014;
my ($file, $size) = @ARGV;
+my @info = eval {
+ require Image::ExifTool;
+ my $exif = Image::ExifTool->new->ImageInfo($file);
+ return (
+ " $exif->{MIMEType}",
+ $exif->{ImageSize} ? " $exif->{ImageSize} ($exif->{Megapixels}MP)" : (),
+ $exif->{ColorType} ? " $exif->{BitDepth}bpp $exif->{ColorType}" : (),
+ );
+} or warn $@;
+
open my $pgm, '-|', convert => (
-compress => 'none',
'+distort' => SRT => '0,0 1,.56 0',
-thumbnail => $size || '66x23',
$file => 'pgm:-'
) or die $!;
-<$pgm> eq "P2\n" or die "ascii pgm input required\n";
+<$pgm> eq "P2\n" or do {
+ say for @info;
+ exit 1;
+};
<$pgm>; <$pgm>; # ignore depth, dimensions
my @ch = split //, " .:coO@";
while (<$pgm>) {
print $ch[ $_ * @ch >> 8 ] for /\d+/g;
- print $/;
+ print $info[$. - 4], $/;
}