gistfile1.rbx

require 'rational'
require 'rubygems'
require 'exifr' rescue nil

module Randy
  # converts dms in [Rational(75, 1), Rational(452, 25), Rational(0, 1)] to a float
  def self.dms_to_float(dms)
    if dms == nil || (dms.size != 3) && !dms.map{|i| i.class == Rational}.all?
      raise ArgumentError, "We need an array of 3 Rational numbers. k thx bai."
    end
    dms[0].to_f + ((dms[1].to_f + (dms[2].to_f / 60)) / 60)
  end
end

if ARGV.size != 0 && Object.const_defined?(:EXIFR)
  ARGV.each do |img_name|
    img = EXIFR::JPEG.new(img_name)
    puts "-"*21
    puts "Lat: #{Randy.dms_to_float(img.gps_latitude)}"
    puts "Lng: #{Randy.dms_to_float(img.gps_longitude)}"
  end
else
  puts "DMS: [Rational(75, 1), Rational(452, 25), Rational(0, 1)]"
  puts "Float: #{Randy.dms_to_float([Rational(75, 1), Rational(452, 25), Rational(0, 1)])}"
end