);
} or warn $@;
+eval {
+ require Digest::MD5;
+ open my $bin, '<', $file;
+ binmode $bin;
+ my $md5 = Digest::MD5->new->addfile($bin);
+ push @info, ' # '.$md5->b64digest;
+} 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 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 $info[$. - 4], $/;
+if (<$pgm> eq "P2\n") {
+ my ($width, $height) = split ' ', <$pgm>;
+ <$pgm>; # ignore depth
+ my @ch = split //, " .:coO@";
+ while (<$pgm>) {
+ print $ch[ $_ * @ch >> 8 ] for /\d+/g;
+ say shift @info;
+ }
+ substr $_, 0, 0, ' ' x $width for @info;
}
+say for @info;