Library for handling exif image tags. Basic usage: > gem install RubyInline > gem install ruby-exiv2 > irb -r rubygems require 'exiv2' @img = Exiv2::Image.new("a.jpg") puts @img["Exif.Photo.PixelXDimension"] @img["Exif.Photo.PixelXDimension"] = 2048 @img.save Version 1.3 introduces dynamic accessors: require 'exiv2' @img = Exiv2::Image.new("a.jpg") puts @img.Exif.Photo.PixelXDimension @img.Exif.Photo.PixelXDimension = 2048 @img.save