February 2006
Intermediate to advanced
304 pages
6h 16m
English
Content preview from Wicked Cool Perl Scripts
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#28 Image Information
Digital cameras store a lot of information about a photograph in a hidden encoding in the image. Perl can make this information visible.
The Code
1 #!/usr/bin/perl 2 use strict; 3 use warnings; 4 5 my %good = ( 6 'ColorSpace' => 1, 7 'ComponentsConfiguration' => 1, 8 'DateTime' => 1, 9 'DateTimeDigitized' => 1, 10 'DateTimeOriginal' => 1, 11 'ExifImageLength' => 1, 12 'ExifImageWidth' => 1, 13 'ExifVersion' => 1, 14 'FileSource' => 1, 15 'Flash' => 1, 16 'FlashPixVersion' => 1, 17 'ISOSpeedRatings' => 1, 18 'ImageDescription' => 1, 19 'InteroperabilityIndex' => 1, 20 'InteroperabilityVersion' => 1, 21 'JPEG_Type' => 1, 22 'LightSource' => 1, 23 'Make' => 1, 24 'MeteringMode' => 1, 25 'Model' => 1, 26 'Orientation' ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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