#!/usr/bin/perl
use 5.014;
-my ($file, $size) = @ARGV;
+
+our $VERSION = '1.00';
+
+use Getopt::Long '2.33', qw( :config gnu_getopt );
+GetOptions(\my %opt,
+ 'size|s=s',
+);
+my ($file) = @ARGV;
my @info = eval {
require Image::ExifTool;
- my $exif = Image::ExifTool->new->ImageInfo($file);
+ my $exif = Image::ExifTool->new->ImageInfo($file, {
+ CoordFormat => '%.5f',
+ DateFormat => '%Y-%m-%d %H:%M:%S',
+ Exclude => 'System:*',
+ });
+ die "exiftool: $exif->{Error}\n" if $exif->{Error};
return (
- " $exif->{MIMEType}",
- $exif->{ImageSize} ? " $exif->{ImageSize} ($exif->{Megapixels}MP)" : (),
- $exif->{ColorType} ? " $exif->{BitDepth}bpp $exif->{ColorType}" : (),
+ $exif->{MIMEType},
+ $exif->{ImageSize} ? "$exif->{ImageSize} ($exif->{Megapixels}MP)" : (),
+ join(' ',
+ $exif->{YCbCrSubSampling} // (),
+ $exif->{Interlace} // (),
+ $exif->{Compression} // $exif->{FileType},
+ $exif->{SVGVersion} // $exif->{PDFVersion} // (),
+ ),
+ $exif->{ColorType} ? "$exif->{BitDepth}bpp $exif->{ColorType}" : (),
+ join(' ', 'exif',
+ $exif->{ExifVersion},
+ sprintf('(%d)', scalar %{$exif}),
+ ),
+ $exif->{Thumb} ? "thumb $exif->{ThumbnailLength}B" : (),
+ (map "@ $_",
+ $exif->{DateTimeOriginal} //
+ $exif->{DateCreated} //
+ $exif->{CircaDateCreated} //
+ $exif->{ModifyDate} //
+ $exif->{ZipModifyDate} //
+ (),
+ ),
+ join(', ',
+ $exif->{GPSPosition} // $exif->{Location} // (),
+ $exif->{GPSAltitude} // (),
+ ) || (),
+ (map "hw $_", join(' ',
+ $exif->{Make} // (), $exif->{Model} // (),
+ $exif->{FOV} ? "(FOV $exif->{FOV})" : (),
+ ) || ()),
+ (map "sw $_", $exif->{Software} // $exif->{Application} // ()),
+ (map "> $_", $exif->{'Description-nl'} // ()),
+ $exif->{Warning} ? "! $exif->{Warning}" : (),
);
+};
+warn $@ if $@;
+
+my $filesize = (stat $file)[7];
+eval {
+ require Digest::MD5;
+ open my $bin, '<', $file;
+ binmode $bin;
+ my $md5 = Digest::MD5->new->addfile($bin)->b64digest;
+ push @info, "# $md5 ($filesize)";
} or warn $@;
+my $aspect = eval {
+ require Term::ReadKey;
+ my ($w, $h, $x, $y) = Term::ReadKey::GetTerminalSize();
+ return $x/$w / $y*$h;
+};
+
open my $pgm, '-|', convert => (
+ $file =>
+ -delete => '1--1',
+ $aspect ? ('+distort' => SRT => "0,0 1,$aspect 0") : (),
+ -thumbnail => $opt{size} || '40x12',
+ -colorspace => 'gray',
+ '-normalize',
+ -level => '-1%',
+ -channel => 'A', -threshold => '50%',
+ -background => 'black',
+ -layers => 'flatten',
-compress => 'none',
- '+distort' => SRT => '0,0 1,.56 0',
- -thumbnail => $size || '66x23',
- $file => 'pgm:-'
+ '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>;
+ <$pgm>; # ignore depth
+ my @ch = split //, " .:oO@";
+ while (<$pgm>) {
+ print !$_ ? '/' : $ch[ $_ * @ch >> 8 ] for /\d+/g;
+ print ' ', shift @info if @info;
+ print $/;
+ }
+ substr $_, 0, 0, ' ' x ($width + 1) for @info;
}
+say for @info;
+
+=head1 NAME
+
+termimg - media file fingerprint and metadata
+
+=head1 SYNOPSIS
+
+B<termimg> [<options>] <file>
+
+=head1 DESCRIPTION
+
+Identify given file by ascii image
+with a summary of distinctive metadata.
+
+=head1 OPTIONS
+
+=over
+
+=item -s, --size=<width>x<height>
+
+=back
+
+=head1 AUTHOR
+
+Mischa POSLAWSKY <perl@shiar.org>
+
+=head1 LICENSE
+
+AGPL3+