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sylph01/get_exif_stats.rb

Created August 2, 2023 21:06
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get_exif_stats.rb
require 'exif'
require 'json'
h = {}
Dir.glob('*.JPG') do |fname|
data = Exif::Data.new(File.open(fname))
h[fname] = {
focal_length: data.focal_length.to_i,
iso_speed_ratings: data.iso_speed_ratings,
f_number: data.fnumber.to_f
}
end
File.write('exif_stats.json', h.to_json)
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