exclude metadata from file storage system

[minime.git] / termimg

diff --git a/termimg b/termimg
index 6599b3b743dc20f8bb50a63dd4f9b7671ec8d31f..24f6a33613a6048d84af5cff5bdf996f97a4923f 100755 (executable)
--- a/termimg
+++ b/termimg
@@ -1,12 +1,81 @@
-#!/bin/sh
-convert -compress none -resize 66x23 - pgm:- |
-perl -e '
-<> eq "P2\n" or die "ascii pgm input required\n";
-<>; <>;  # ignore depth, dimensions
-
-my @ch = split //, " .oO@";
-while (<>) {
-       print $ch[ $_ * @ch >> 8 ] for /\d+/g;
-       print $/;
+#!/usr/bin/perl
+use 5.014;
+my ($file, $size) = @ARGV;
+
+my @info = eval {
+       require Image::ExifTool;
+       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)" : (),
+               join(' ',
+                       $exif->{YCbCrSubSampling} // (),
+                       $exif->{Interlace} // (),
+                       $exif->{Compression} // $exif->{FileType},
+                       $exif->{SVGVersion} // $exif->{PDFVersion} // (),
+               ),
+               $exif->{ColorType} ? "$exif->{BitDepth}bpp $exif->{ColorType}" : (),
+               sprintf('exif (%d)', scalar %{$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 $@;
+
+open my $pgm, '-|', convert => (
+       $file =>
+       -delete => '1--1',
+       '+distort' => SRT => '0,0 1,.56 0',
+       -thumbnail => $size || '40x12',
+       -colorspace => 'gray',
+       '-normalize',
+       -background => 'black',
+       -layers => 'flatten',
+       -compress => 'none',
+       'pgm:-'
+) or die $!;
+
+if (<$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;